  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.39 in | 1.2 in | 1.25 in |
|---|---|---|---|
| Display technology | OLED | LED | N/A |
| Screen resolution | 400 x 400 px | N/A | 144 x 168 px |
| Accelerometer | yes | yes | yes |
|---|---|---|---|
| Gyroscope | yes | N/A | yes |
| Altimeter | N/A | yes | N/A |
| Heart rate monitor | N/A | yes | N/A |
| Compass | N/A | yes | yes |
| Pedometer | N/A | yes | N/A |
| Ambient Light Sensor | N/A | N/A | yes |
| Auto adjust to smartphone time | N/A | N/A | yes |
| Magnetometer | N/A | N/A | yes |
| Case thickness | 0.35 in | N/A | 0.39 in |
|---|---|---|---|
| Replaceable wrist bands | yes | yes | N/A |
| Watch case material | Stainless steel | Titanium |
|
| Wrist band material |
|
|
|
| Fully waterproof | yes | yes | yes |
| Dust resistant | yes | N/A | yes |
| Weight | N/A | 3.95 oz | 4.09 oz |
| Anti scratch lens | N/A | yes | yes |
| Water resistance | N/A | yes | yes |
| Case diameter | N/A | N/A | 1.85 in |
| Wrist band width | N/A | N/A | 0.87 in |
| Shock resistant | N/A | N/A | yes |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.0 |
| Wi-Fi | yes | N/A | N/A |
| NFC | yes | N/A | N/A |
| Charging connection | N/A | microUSB | Proprietary USB Cable |
| GPS | N/A | yes | N/A |
| Battery capacity | 340.0 mAh | 180.0 mAh | N/A |
|---|---|---|---|
| Average battery life (standby) | 48.0 h | 24.0 h | 240.0 h |
| Battery technology | N/A | Li-Ion | Li-Ion |
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