Bracelet specifications
Hardware spec for the Wellex band v1.
Last updated: 2026-04-07
Physical
| Spec | Value |
|---|---|
| Weight | 32 g |
| Thickness | 7.4 mm |
| Inside | Silicone-titanium weave |
| Outside | Hand-woven thread (4 colourways) |
| Clasp | Brushed titanium magnetic snap |
Sensors
8 high-precision sensors. See Sensors for the full list.
Battery and charging
| Spec | Value |
|---|---|
| Battery | 110 mAh Li-Po |
| Typical life | up to 14 days (~10 days typical) |
| Charge time | 90 min to full |
| Charging | USB-C magnetic dock |
Connectivity
Bluetooth LE 5.3. No Wi-Fi, no cellular, no NFC. The bracelet syncs to the phone in the background; nothing leaves the phone unless you opt in to cloud backup.
Water resistance
5 ATM (50 m). Safe for showers, baths and swimming pools. Not rated for diving.
Operating temperature
−10°C to +50°C. The skin-contact temperature sensor calibrates against ambient.