  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.4 in | 1.26 in | 1.63 in |
|---|---|---|---|
| Display technology | OLED | N/A | OLED |
| Screen resolution | 400 x 400 px | 144 x 168 px | 320 x 320 px |
| Type of glass | Sapphire glass | N/A | N/A |
| Multi touch | N/A | N/A | yes |
| Notifications |
|
|
|
|---|---|---|---|
| Methods Of Notification | Vibration |
| Backlit Screen |
| Incoming notification options | N/A | View Content |
|
| Case diameter | 1.65 in | 2.48 in | 2.64 in |
|---|---|---|---|
| Case height | 0.0 in | N/A | N/A |
| Case thickness | 0.44 in | 0.43 in | 0.43 in |
| Wrist band width | 0.71 in | 0.87 in | 0.87 in |
| Replaceable wrist bands | yes | yes | N/A |
| Watch case material | Stainless steel |
| Stainless steel |
| Wrist band material |
|
| N/A |
| Colour of bracelet | White | N/A | N/A |
| Anti scratch lens | yes | yes | N/A |
| IP code (level of dust/water resistance) | IP67 | N/A | N/A |
| Weight | N/A | 1.34 oz | 2.57 oz |
| Water resistance | N/A | yes | yes |
| Operating system |
|
| Android 2.3+ |
|---|---|---|---|
| Smartphone remote features | Voice Control |
|
|
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | 4.0 |
| Wi-Fi | yes | N/A | N/A |
| USB | yes | N/A | N/A |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | Proprietary USB Cable |
| Battery technology | Li-Ion | Li-Ion | N/A |
|---|---|---|---|
| Battery capacity | 300.0 mAh | 140.0 mAh | 315.0 mAh |
| Average battery life (standby) | 72.0 h | 168.0 h | 36.0 h |
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