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Xiaomi Redmi Watch 4 Obsidian Black
Network
| Technology | No cellular connectivity |
|---|---|
| 2G Bands | N/A |
| 3G Bands | N/A |
| 4G Bands | N/A |
| Speed | No |
| GPRS | No |
| EDGE | No |
Body
| Dimensions | 47.6 x 41.1 x 10.5 mm (1.87 x 1.62 x 0.41 in) |
|---|---|
| Weight | 31.5 g (1.13 oz) |
| Build | Plastic back, aluminum frame |
| SIM | No Waterproof (5ATM) 50m water resistant |
Display
| Type | AMOLED, 600 nits (peak) |
|---|---|
| Size | 1.97 inches |
| Resolution | 450 x 390 pixels (~302 ppi density) Always-on display |
Platform
| OS | HyperOS |
|---|
Memory
| Card Slot | No |
|---|---|
| Internal | Unspecified storage |
Sound
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | No |
Comms
| WLAN | No |
|---|---|
| Bluetooth | 5.3, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS |
| NFC | Yes (market/region dependent) |
| Radio | No |
| USB | No |
Features
| Sensors | Accelerometer, heart rate, compass, gyro, SpO2 |
|---|
Battery
| Type | Li-Po 470 mAh, non-removable |
|---|
Identifiers
| MPN | BHR7854GL |
|---|---|
| GTIN / EAN / UPC | 6941812756201 |
