  |  |  | |
| Editiorial reviews | |||
| User rating |
| Touchscreen | yes | N/A | N/A |
|---|---|---|---|
| Screen size | 1.63 in | 1.34 in | N/A |
| Display technology | OLED | LCD | OLED |
| Screen resolution | 320 x 320 px | 300 x 300 px | 96 x 64 px |
| Type of glass | Gorilla Glass | Gorilla Glass | N/A |
| Type of screen | Colour screen | N/A | N/A |
| Built-in camera | no | N/A | N/A |
|---|---|---|---|
| Heart rate monitor | yes | yes | yes |
| Microphone | yes | N/A | N/A |
| Compass | yes | N/A | N/A |
| Gyroscope | yes | yes | yes |
| Case diameter | 1.57 in | 0.94 in | 2.32 in |
|---|---|---|---|
| Case height | 2.01 in | 0.94 in | 1.18 in |
| Case thickness | 0.37 in | N/A | 0.35 in |
| Wrist band width | 1.54 in | N/A | N/A |
| Weight | 2.65 oz | 1.31 oz | 1.45 oz |
| Replaceable wrist bands | yes | N/A | N/A |
| Watch case material | Stainless steel |
| N/A |
| Wrist band material | Leather | Silicone | N/A |
| Colour of bracelet |
|
| N/A |
| Anti scratch lens | yes | N/A | N/A |
| Water resistance | yes | N/A | N/A |
| Fully waterproof | no | N/A | N/A |
| IP code (level of dust/water resistance) | IP55 | N/A | N/A |
| 4G (LTE) | no | N/A | N/A |
|---|---|---|---|
| Bluetooth | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 2.1 |
| Wi-Fi | no | yes | N/A |
| NFC | no | N/A | N/A |
| USB | yes | N/A | yes |
| Charging connection | microUSB | N/A | N/A |
| Built-in navigation system | yes | no | N/A |
| GPS | yes | N/A | N/A |
| GLONASS | no | N/A | N/A |
| Battery technology | Li-polymer | Li-polymer | Li-Ion |
|---|---|---|---|
| Battery capacity | 378.0 mAh | N/A | 200.0 mAh |
| Average battery life (standby) | 24.0 h | N/A | N/A |
| Battery life (running) | N/A | 96.0 h | N/A |
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