  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.4 in | 2.4 in | 2.0 in |
|---|---|---|---|
| Display technology | OLED | N/A | OLED |
| Screen resolution | 400 x 400 px | 320 x 240 px | 360 x 480 px |
| Type of glass | Sapphire glass | N/A | N/A |
| Touchscreen | N/A | N/A | yes |
| Type of screen | N/A | N/A | Colour screen |
| Multi touch | N/A | N/A | yes |
| Accelerometer | yes | yes | yes |
|---|---|---|---|
| Barometer | yes | N/A | yes |
| Heart rate monitor | yes | N/A | yes |
| Microphone | yes | N/A | yes |
| Gyroscope | yes | yes | yes |
| Pedometer | yes | N/A | yes |
| Built-in camera | N/A | N/A | no |
| Ambient Light Sensor | N/A | N/A | yes |
| Compass | N/A | N/A | yes |
| Phone Functionality | N/A | N/A | yes |
| UV meter | N/A | N/A | yes |
| Notifications |
|
|
|
|---|---|---|---|
| Methods Of Notification | Vibration |
|
|
| Incoming notification options | N/A | View Content |
|
| Case diameter | 1.65 in | 2.6 in | 1.57 in |
|---|---|---|---|
| Case height | 0.0 in | N/A | 2.29 in |
| Case thickness | 0.44 in | 0.55 in | 0.49 in |
| Wrist band width | 0.71 in | 2.09 in | N/A |
| Replaceable wrist bands | yes | N/A | yes |
| Watch case material | Stainless steel | N/A |
|
| Wrist band material |
| N/A |
|
| Anti scratch lens | yes | N/A | yes |
| IP code (level of dust/water resistance) | IP67 | N/A | IP67 |
| Weight | N/A | 1.23 oz | 2.36 oz |
| Colour of bracelet | N/A | N/A |
|
| Water resistance | N/A | N/A | yes |
| Fully waterproof | N/A | N/A | yes |
| Dust resistant | N/A | N/A | yes |
| Operating system |
| Android 4.2+ |
|
|---|---|---|---|
| Smartphone remote features | Voice Control | N/A |
|
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | 4.1 |
| Wi-Fi | yes | yes | yes |
| USB | yes | N/A | yes |
| Charging connection | Proprietary USB Cable | N/A | microUSB |
| Headphone connection | N/A | 3.5 mm | 3.5 mm |
| GPS | N/A | yes | yes |
| 3G (UMTS) | N/A | N/A | yes |
| 4G (LTE) | N/A | N/A | no |
| Wireless networking standard | N/A | N/A |
|
| NFC | N/A | N/A | no |
| Built-in navigation system | N/A | N/A | yes |
| GLONASS | N/A | N/A | yes |
| Battery technology | Li-Ion | Li-polymer | Li-Ion |
|---|---|---|---|
| Battery capacity | 300.0 mAh | 810.0 mAh | 300.0 mAh |
| Average battery life (standby) | N/A | 24.0 h | 96.0 h |
| Battery life (running) | N/A | N/A | 48.0 h |
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