  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 0.95 in | 1.54 in | N/A |
|---|---|---|---|
| Display technology | OLED | LCD | LCD |
| Screen resolution | 144 x 168 px | 240 x 240 px | 320 x 300 px |
| Type of glass | Gorilla Glass | N/A | Sapphire glass |
| Heart rate monitor | yes | yes | yes |
|---|---|---|---|
| Microphone | yes | yes | N/A |
| Gyroscope | yes | yes | N/A |
| Phone Functionality | yes | N/A | N/A |
| Built-in camera | N/A | yes | N/A |
| Accelerometer | N/A | yes | N/A |
| Pedometer | N/A | yes | N/A |
| Barometer | N/A | N/A | yes |
| Case diameter | 1.57 in | 1.69 in | 1.97 in |
|---|---|---|---|
| Case height | 1.18 in | 0.0 in | 1.97 in |
| Case thickness | 0.53 in | 0.43 in | 0.66 in |
| Weight | 1.41 oz | 1.53 oz | 2.86 oz |
| Watch case material | Plastic/Synthetic |
| Stainless steel |
| Wrist band material | Silicone |
| Silicone |
| Colour of bracelet |
|
|
|
| IP code (level of dust/water resistance) | IP67 | N/A | N/A |
| Replaceable wrist bands | N/A | yes | N/A |
| Anti scratch lens | N/A | yes | N/A |
| 3G (UMTS) | yes | N/A | N/A |
|---|---|---|---|
| Bluetooth | no | yes | yes |
| Bluetooth version | 4.1 | 3.0 | N/A |
| Wi-Fi | yes | yes | N/A |
| USB | yes | yes | yes |
| Built-in navigation system | yes | no | yes |
| GPS | yes | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | N/A |
| Battery technology | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|
| Battery capacity | 130.0 mAh | 400.0 mAh | N/A |
| Battery life (running) | 144.0 h | 24.0 h | 120.0 h |
| Average battery life (standby) | N/A | 240.0 h | 336.0 h |
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