Technical specifications - Revision history

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2026-06-15T09:36:59Z

Created page with "= Technical specifications = <div style="background:#ffffff; border:1px solid #dce8f8; border-radius:16px; overflow:hidden; margin-bottom:8px; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;">  <div style="background:#f0f6ff; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;"> <div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div> <span style="font-size:16px; font..."

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= Technical specifications =

<div style="background:#ffffff; border:1px solid #dce8f8; border-radius:16px; overflow:hidden; margin-bottom:8px; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;">


<div style="background:#f0f6ff; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Body</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Dimensions (W × L × H)
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 40.5 × 47 × 14.7 mm (1.6" × 1.9" × 0.6")
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Weight
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 52 g
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Main CPU
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | nRF5340 — 2× ARM Cortex M33 cores (application + network)
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Platform (OS)
| style="padding:11px 32px; font-size:13px; color:#344054;" | Zephyr RTOS
|}


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Display</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Type
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | LCD TFT
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Size
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 1.3"
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Resolution
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 240 × 240 px
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Brightness
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 250 NITS
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Cover lens
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Corning Gorilla Glass 3
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Surface hardness
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | >8 H
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Display area
| style="padding:11px 32px; font-size:13px; color:#344054;" | 547.56 sq mm
|}


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<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Memory</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Capacity
| style="padding:11px 32px; font-size:13px; color:#344054;" | 128 Mb
|}


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<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Connectivity</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Bluetooth version
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 5.3
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Remote access
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Cloud
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Operating frequency
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 2402 – 2480 MHz
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Max. output power
| style="padding:11px 32px; font-size:13px; color:#344054;" | 3 dBm
|}


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Features</span>
</div>

<div style="padding:16px 32px;">
{| style="width:100%; border-collapse:separate; border-spacing:6px;"
|-
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | ECG sensors for electrocardiogram
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | PPG sensors for AFib detection
|-
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Heart rate monitoring (when inactive)
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Low / High heart rate alerts
|-
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Cloud-based firmware updates, Bluetooth configuration
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Water resistant: 1 m for 30 min — IP67
|-
| colspan="2" style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | SpO2: 70–100%; ±4% (excluding high motion artifacts and low perfusion cases)
|}
</div>


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<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Power supply</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Battery
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Built-in Li-Po 410 mAh / 1.56 Wh (non-replaceable)
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Charging voltage
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 5 V ⎓
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Operating voltage
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Internal: 3.8 V ⎓ · External: 5 V ⎓
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Max. input current
| style="padding:11px 32px; font-size:13px; color:#344054;" | 0.5 A
|}


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Sensors & components</span>
</div>

<div style="padding:16px 32px;">
{| style="border-collapse:separate; border-spacing:6px;"
|-
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Accelerometer
| style="background:#f0f6ff; border:1px solid #dce8f8; border-radius:8px; padding:8px 14px; font-size:13px; color:#1a2f4a; font-weight:600;" | Gyroscope
|}
</div>


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Buttons</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Side button
| style="padding:11px 32px; font-size:13px; color:#344054;" | Turn on, Restart, Back
|}


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Straps</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Material
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Silicone rubber with integrated stainless-steel electrode
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Size S
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Fits wrist 14–20 cm
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Size M
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Fits wrist 16.5–22 cm
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Size L
| style="padding:11px 32px; font-size:13px; color:#344054;" | Fits wrist 19–24.5 cm
|}

<div style="padding:8px 32px 12px; font-size:12px; color:#9aabb8;">* Strap size depends on the purchased set.</div>


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<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Supported peripherals</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Accessory
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | TeltoHeart charging dock
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Wall charger compatibility
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Any CE-marked 5 V⎓/1A charger with USB Type-A connector
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Cable compatibility
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Any CE-certified USB-A to USB-C cable
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Android
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Android 10 or later with Google Play Services
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | iOS
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | iOS 14 or later
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Bluetooth compatibility
| style="padding:11px 32px; font-size:13px; color:#344054;" | Bluetooth v5.0+ in 2.4 GHz band with SMP protocol
|}

<div style="padding:12px 32px 16px;">
<div style="background:#FFF4E5; border-left:4px solid #E8860A; border-radius:0 8px 8px 0; padding:12px 16px; font-size:13px; color:#7A4A00;">
'''⚠ MRI / CT:''' Compatibility with MRI or CT was not checked. Use of this device in an MRI or CT environment is '''prohibited'''.
</div>
</div>


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<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">Conditions for use</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Operating temperature
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | −10 to +45 °C
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Charging temperature
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 0 to +45 °C
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Storage temperature (1 month)
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | −20 to +35 °C
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Storage temperature (6 months)
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | −20 to +30 °C
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Humidity (extreme low / high)
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 15% / 90%
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Atmospheric pressure (extreme low / high)
| style="padding:11px 32px; font-size:13px; color:#344054;" | 700 hPa / 1060 hPa
|}


<div style="background:#f0f6ff; border-top:2px solid #dce8f8; border-bottom:2px solid #dce8f8; padding:16px 32px; display:flex; align-items:center; gap:10px;">
<div style="width:6px; height:22px; background:#0054A6; border-radius:3px;"></div>
<span style="font-size:16px; font-weight:700; color:#0054A6;">PPG / ECG measurement specifications</span>
</div>

{| style="width:100%; border-collapse:collapse;"
|-
| style="padding:11px 32px; width:40%; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | PPG function
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Continuous heart rhythm and atrial fibrillation monitoring
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | ECG features
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 6-lead Electrocardiogram
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | ECG electrode locations
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Bottom surface · Top surface · Wrist strap
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | ECG electrodes
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Lead I and Lead III directly measured; Lead II, aVL, aVR, aVF calculated
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | AFib method
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | Non-invasive — PPG (Bio-optical sensing) + 6-lead ECG
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; border-bottom:1px solid #f0f4fa; background:#fafcff;" | Heart rate range
| style="padding:11px 32px; font-size:13px; color:#344054; border-bottom:1px solid #f0f4fa;" | 40–200 BPM
|-
| style="padding:11px 32px; font-weight:600; color:#1a2f4a; font-size:13px; background:#fafcff;" | Heart rate accuracy
| style="padding:11px 32px; font-size:13px; color:#344054;" | ±5 BPM
|}

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