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Editiorial reviews | ||||
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User rating |
Display technology | OLED | OLED | OLED | LCD |
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Screen resolution | 400 x 400 px | 96 x 64 px | 320 x 320 px | 360 x 360 px |
Screen size | N/A | N/A | 1.63 in | 1.5 in |
Type of glass | N/A | N/A | Gorilla Glass | N/A |
Type of screen | N/A | N/A | Colour screen | N/A |
Touchscreen | N/A | N/A | N/A | yes |
Multi touch | N/A | N/A | N/A | yes |
Accelerometer | yes | N/A | yes | N/A |
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Heart rate monitor | yes | yes | yes | N/A |
Compass | yes | N/A | N/A | N/A |
Gyroscope | yes | yes | yes | yes |
Phone Functionality | yes | N/A | N/A | N/A |
LED Flashlight | yes | N/A | N/A | N/A |
Magnetometer | yes | N/A | N/A | N/A |
Built-in camera | N/A | N/A | no | N/A |
Microphone | N/A | N/A | yes | N/A |
Auto adjust to smartphone time | N/A | N/A | N/A | yes |
Pedometer | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 2.1 | 4.0 | 4.0 |
Wi-Fi | yes | N/A | no | yes |
NFC | yes | N/A | no | N/A |
GPS | yes | N/A | N/A | N/A |
USB | N/A | yes | yes | N/A |
4G (LTE) | N/A | N/A | no | N/A |
Infrared (IR) | N/A | N/A | yes | N/A |
Charging connection | N/A | N/A | N/A | Proprietary USB Cable |
Battery capacity | 300.0 mAh | 200.0 mAh | 300.0 mAh | 410.0 mAh |
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Average battery life (standby) | 36.0 h | N/A | 144.0 h | 24.0 h |
Battery technology | N/A | Li-Ion | Li-Ion | N/A |
Battery life (running) | N/A | N/A | 48.0 h | N/A |