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Editiorial reviews | ||||
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User rating |
Screen size | 1.39 in | 1.34 in | 1.4 in | 1.6 in |
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Display technology | OLED | LCD | N/A | N/A |
Screen resolution | 400 x 400 px | 300 x 300 px | 400 x 400 px | 320 x 320 px |
Type of glass | N/A | Gorilla Glass | N/A | N/A |
Accelerometer | yes | N/A | yes | yes |
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Gyroscope | yes | yes | yes | yes |
Heart rate monitor | N/A | yes | yes | N/A |
Compass | N/A | N/A | yes | yes |
Pedometer | N/A | N/A | yes | N/A |
Ambient Light Sensor | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.0 | 4.1 | 4.0 |
Wi-Fi | yes | yes | N/A | yes |
NFC | yes | N/A | N/A | yes |
Built-in navigation system | N/A | no | yes | N/A |
Charging connection | N/A | N/A | N/A | microUSB |
Headphone connection | N/A | N/A | N/A | Bluetooth |
GPS | N/A | N/A | N/A | yes |