  |  |  |  |  | |
| Available colors |
| Screen size | 0.5 in | 0.96 in | N/A | N/A | 0.78 in |
|---|---|---|---|---|---|
| Display type | PMOLED | TFT | LED | LED | OLED |
| Screen resolution | N/A | 160 x 80 | N/A | N/A | 128 x 80 |
| Display | N/A | N/A | yes | no | yes |
| Weight | 0.39 oz | 0.85 oz | 0.28 oz | 0.3 oz | 0.71 oz |
|---|
| Colour of product |
|
|
|
| Black |
|---|
| Calorie counter | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Distance meter | yes | yes | yes | yes | yes |
| Pedometer | yes | yes | yes | yes | yes |
| Sleep reading | yes | yes | yes | yes | yes |
| Touchscreen | no | yes | yes | no | yes |
| Accelerometer | N/A | yes | yes | yes | yes |
| Heart rate monitor | N/A | yes | N/A | N/A | yes |
| Vibration alarm | N/A | yes | yes | yes | yes |
| Water resistant | N/A | N/A | yes | yes | yes |
| Fully Waterproof | N/A | N/A | yes | yes | N/A |
| Watch | N/A | N/A | yes | yes | yes |
| Status indicator (LED-diod) | N/A | N/A | N/A | yes | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| GPS | no | no | no | no | no |
| Bluetooth version | N/A | 4.2 | N/A | 4.1 | 4.2 BLE |
| NFC | N/A | N/A | no | no | no |
| Battery capacity | 77.0 mAh | 91.0 mAh | N/A | N/A | 110.0 mAh |
|---|---|---|---|---|---|
| Battery life | 14.0 day | 9.0 day | 120.0 day | 180.0 day | 20.0 day |
| Charging via USB | N/A | N/A | no | no | yes |
| Battery type | N/A | N/A | N/A | CR2032 | Lithium-Ion |
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