  |  |  | |
| Editiorial reviews | |||
| User rating |
| Internal storage space | 4.0 GB | 4.0 GB | 4.0 GB |
|---|---|---|---|
| RAM Memory | N/A | N/A | 512.0 mB |
| Screen size | 1.34 in | 1.34 in | 1.4 in |
|---|---|---|---|
| Display technology | LCD | LCD | OLED |
| Screen resolution | 300 x 300 px | 300 x 300 px | 400 x 400 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Sapphire glass |
| Heart rate monitor | yes | yes | yes |
|---|---|---|---|
| Gyroscope | yes | yes | yes |
| Accelerometer | N/A | N/A | yes |
| Barometer | N/A | N/A | yes |
| Microphone | N/A | N/A | yes |
| Pedometer | N/A | N/A | yes |
| Case diameter | 0.94 in | 0.94 in | 1.65 in |
|---|---|---|---|
| Case height | 0.94 in | 0.94 in | 0.0 in |
| Weight | 1.31 oz | 1.31 oz | N/A |
| Watch case material |
| Aluminum | Stainless steel |
| Wrist band material | Silicone |
|
|
| Colour of bracelet |
|
| N/A |
| Case thickness | N/A | N/A | 0.44 in |
| Wrist band width | N/A | N/A | 0.71 in |
| Replaceable wrist bands | N/A | N/A | yes |
| Anti scratch lens | N/A | N/A | yes |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 |
| Operating system | Proprietary OS | Proprietary OS |
|
|---|---|---|---|
| Smartphone remote features | N/A | N/A | Voice Control |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.1 |
| Wi-Fi | yes | yes | yes |
| Built-in navigation system | no | yes | N/A |
| NFC | N/A | yes | N/A |
| USB | N/A | N/A | yes |
| Charging connection | N/A | N/A | Proprietary USB Cable |
| Battery technology | Li-polymer | Li-polymer | Li-Ion |
|---|---|---|---|
| Battery life (running) | 96.0 h | 96.0 h | N/A |
| Battery capacity | N/A | N/A | 300.0 mAh |
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