  |  |  |  |  | |
| Available colors |
| Screen size | 0.95 in | N/A | N/A | 0.78 in | 1.1 in |
|---|---|---|---|---|---|
| Display type | AMOLED | LED | LED | OLED | AMOLED |
| Display | N/A | yes | no | yes | N/A |
| Screen resolution | N/A | N/A | N/A | 128 x 80 | 126 x 294 |
| Weight | 0.71 oz | 0.28 oz | 0.3 oz | 0.71 oz | 4.2 oz |
|---|
| Colour of product |
|
|
| Black | Black |
|---|
| Accelerometer | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Heart rate monitor | yes | N/A | N/A | yes | yes |
| Calorie counter | yes | yes | yes | yes | N/A |
| Distance meter | yes | yes | yes | yes | N/A |
| Sleep reading | yes | yes | yes | yes | yes |
| Touchscreen | yes | yes | no | yes | yes |
| Water resistant | N/A | yes | yes | yes | N/A |
| Fully Waterproof | N/A | yes | yes | N/A | N/A |
| Pedometer | N/A | yes | yes | yes | N/A |
| Vibration alarm | N/A | yes | yes | yes | N/A |
| Watch | N/A | yes | yes | yes | N/A |
| Status indicator (LED-diod) | N/A | N/A | yes | N/A | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.2 BLE | N/A | 4.1 | 4.2 BLE | 5.0 |
| GPS | N/A | no | no | no | N/A |
| NFC | N/A | no | no | no | N/A |
| Battery life | 17.0 day | 120.0 day | 180.0 day | 20.0 day | 14.0 day |
|---|---|---|---|---|---|
| Charging via USB | N/A | no | no | yes | N/A |
| Battery type | N/A | N/A | CR2032 | Lithium-Ion | N/A |
| Battery capacity | N/A | N/A | N/A | 110.0 mAh | N/A |
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