  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.4 in | 1.65 in | 1.28 in |
|---|---|---|---|
| Display technology | OLED | N/A | N/A |
| Screen resolution | 400 x 400 px | 360 x 360 px | 176 x 176 px |
| Type of glass | Sapphire glass | N/A | Gorilla Glass |
| Touchscreen | N/A | yes | N/A |
| Multi touch | N/A | yes | N/A |
| Accelerometer | yes | yes | N/A |
|---|---|---|---|
| Barometer | yes | N/A | yes |
| Heart rate monitor | yes | yes | yes |
| Microphone | yes | N/A | N/A |
| Gyroscope | yes | yes | yes |
| Pedometer | yes | N/A | N/A |
| Phone Functionality | N/A | yes | N/A |
| Magnetometer | N/A | yes | N/A |
| Compass | N/A | N/A | yes |
| Case diameter | 1.65 in | N/A | 1.38 in |
|---|---|---|---|
| Case height | 0.0 in | N/A | 0.0 in |
| Case thickness | 0.44 in | N/A | 0.31 in |
| Wrist band width | 0.71 in | N/A | N/A |
| Replaceable wrist bands | yes | N/A | N/A |
| Watch case material | Stainless steel | Metal | Plastic/Synthetic |
| Wrist band material |
| N/A | Silicone |
| Anti scratch lens | yes | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | N/A | IP68 |
| Weight | N/A | N/A | 1.09 oz |
| Colour of bracelet | N/A | N/A |
|
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | 4.0 |
| Wi-Fi | yes | yes | N/A |
| USB | yes | N/A | yes |
| Charging connection | Proprietary USB Cable | N/A | N/A |
| GPS | N/A | yes | N/A |
| Built-in navigation system | N/A | N/A | yes |
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