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Editiorial reviews | ||||
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User rating |
Screen size | 1.3 in | 1.4 in | N/A | 1.63 in |
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Display technology | LCD | OLED | OLED | OLED |
Screen resolution | 240 x 180 px | 400 x 400 px | 96 x 64 px | 320 x 320 px |
Type of glass | Gorilla Glass | Sapphire glass | N/A | Gorilla Glass |
Type of screen | Colour screen | N/A | N/A | Colour screen |
Built-in camera | no | N/A | N/A | no |
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Heart rate monitor | yes | yes | yes | yes |
Compass | yes | N/A | N/A | N/A |
Gyroscope | yes | yes | yes | yes |
Accelerometer | N/A | yes | N/A | yes |
Barometer | N/A | yes | N/A | N/A |
Microphone | N/A | yes | N/A | yes |
Pedometer | N/A | yes | N/A | N/A |
Case diameter | 1.65 in | 1.65 in | 2.32 in | 1.49 in |
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Case height | 1.65 in | 0.0 in | 1.18 in | 2.31 in |
Case thickness | 0.44 in | 0.44 in | 0.35 in | 0.39 in |
Weight | 1.55 oz | N/A | 1.45 oz | 1.94 oz |
Watch case material |
| Stainless steel | N/A |
|
Wrist band material |
|
| N/A | Rubber |
Colour of bracelet |
| N/A | N/A |
|
Water resistance | yes | N/A | N/A | yes |
Fully waterproof | no | N/A | N/A | N/A |
Wrist band width | N/A | 0.71 in | N/A | N/A |
Replaceable wrist bands | N/A | yes | N/A | N/A |
Anti scratch lens | N/A | yes | N/A | N/A |
IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP67 |
3G (UMTS) | no | N/A | N/A | N/A |
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4G (LTE) | no | N/A | N/A | no |
Bluetooth | yes | yes | yes | yes |
Bluetooth version | 4.0 | 4.1 | 2.1 | 4.0 |
Wi-Fi | yes | yes | N/A | no |
NFC | no | N/A | N/A | no |
USB | yes | yes | yes | yes |
Built-in navigation system | no | N/A | N/A | N/A |
Charging connection | N/A | Proprietary USB Cable | N/A | N/A |
Infrared (IR) | N/A | N/A | N/A | yes |
Battery technology | Li-polymer | Li-Ion | Li-Ion | Li-Ion |
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Battery capacity | 167.0 mAh | 300.0 mAh | 200.0 mAh | 300.0 mAh |
Battery life (running) | 120.0 h | N/A | N/A | 48.0 h |
Average battery life (standby) | N/A | N/A | N/A | 144.0 h |