  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.54 in | 1.0 in | 1.2 in | 1.2 in |
|---|---|---|---|---|
| Display technology | LCD | N/A | OLED | OLED |
| Screen resolution | 240 x 240 px | 180 x 180 px | 360 x 360 px | 360 x 360 px |
| Touchscreen | N/A | N/A | yes | yes |
| Type of glass | N/A | N/A | Gorilla Glass | N/A |
| Type of screen | N/A | N/A | Colour screen | N/A |
| Built-in camera | yes | N/A | no | N/A |
|---|---|---|---|---|
| Accelerometer | yes | yes | yes | yes |
| Heart rate monitor | yes | N/A | yes | yes |
| Microphone | yes | N/A | yes | N/A |
| Gyroscope | yes | yes | yes | yes |
| Pedometer | yes | yes | yes | yes |
| Ambient Light Sensor | N/A | yes | yes | yes |
| Compass | N/A | yes | N/A | N/A |
| Magnetometer | N/A | yes | N/A | N/A |
| Barometer | N/A | N/A | yes | N/A |
| Notifications |
|
|
|
|
|---|---|---|---|---|
| Methods Of Notification | Vibration | Vibration |
|
|
| Incoming notification options | N/A | View Content |
|
|
| Case diameter | 1.69 in | 1.5 in | 1.67 in | 1.54 in |
|---|---|---|---|---|
| Case height | 0.0 in | N/A | 1.96 in | N/A |
| Case thickness | 0.43 in | 0.28 in | 0.45 in | 0.43 in |
| Weight | 1.53 oz | 0.99 oz | 1.66 oz | 1.48 oz |
| Replaceable wrist bands | yes | yes | N/A | N/A |
| Watch case material |
| Stainless steel | Stainless steel |
|
| Wrist band material |
|
|
| Silicone |
| Colour of bracelet |
| N/A |
| N/A |
| Anti scratch lens | yes | yes | N/A | N/A |
| Wrist band width | N/A | 0.55 in | N/A | N/A |
| Water resistance | N/A | yes | yes | N/A |
| Fully waterproof | N/A | N/A | yes | yes |
| Dust resistant | N/A | N/A | yes | yes |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 | N/A |
| Operating system |
|
|
| Android 4.4+ |
|---|---|---|---|---|
| Smartphone remote features | Voice Control | Voice Control |
|
|
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 3.0 | 4.0 | 4.1 | 4.0 |
| Wi-Fi | yes | N/A | yes | yes |
| USB | yes | N/A | yes | N/A |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | Wireless | Wireless |
| Built-in navigation system | no | N/A | no | N/A |
| 3G (UMTS) | N/A | N/A | no | N/A |
| 4G (LTE) | N/A | N/A | yes | N/A |
| Wireless networking standard | N/A | N/A |
| N/A |
| NFC | N/A | N/A | yes | yes |
| Headphone connection | N/A | N/A | Bluetooth | Bluetooth |
| Battery technology | Li-Ion | N/A | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 400.0 mAh | 56.0 mAh | 250.0 mAh | 250.0 mAh |
| Average battery life (standby) | 240.0 h | 48.0 h | 24.0 h | 48.0 h |
| Battery life (running) | 24.0 h | N/A | 24.0 h | N/A |
| Wireless charging | N/A | N/A | yes | N/A |
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