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Editiorial reviews | ||||
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User rating |
Screen size | 1.4 in | 1.63 in | 1.6 in | 1.97 in |
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Screen resolution | 400 x 400 px | 320 x 320 px | 320 x 320 px | 128 x 128 px |
Display technology | N/A | OLED | N/A | LED |
Type of glass | N/A | Gorilla Glass | N/A | N/A |
Type of screen | N/A | Colour screen | N/A | N/A |
Accelerometer | yes | yes | yes | yes |
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Heart rate monitor | yes | yes | N/A | N/A |
Compass | yes | N/A | yes | yes |
Gyroscope | yes | yes | yes | N/A |
Pedometer | yes | N/A | N/A | yes |
Built-in camera | N/A | no | N/A | N/A |
Microphone | N/A | yes | N/A | N/A |
Ambient Light Sensor | N/A | N/A | yes | N/A |
Altimeter | N/A | N/A | N/A | yes |
Case diameter | 1.77 in | 1.49 in | 1.97 in | 1.97 in |
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Case thickness | 0.51 in | 0.39 in | 0.39 in | 0.59 in |
Anti scratch lens | yes | N/A | yes | yes |
Water resistance | yes | yes | yes | yes |
Dust resistant | yes | N/A | yes | N/A |
IP code (level of dust/water resistance) | IP67 | IP67 | N/A | N/A |
Case height | N/A | 2.31 in | N/A | N/A |
Weight | N/A | 1.94 oz | 1.59 oz | 2.82 oz |
Watch case material | N/A |
| Stainless steel | Polyamide |
Wrist band material | N/A | Rubber |
| Silicone |
Colour of bracelet | N/A |
| N/A | N/A |
Replaceable wrist bands | N/A | N/A | yes | yes |
Fully waterproof | N/A | N/A | yes | yes |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.1 | 4.0 | 4.0 | 4.0 |
Built-in navigation system | yes | N/A | N/A | N/A |
4G (LTE) | N/A | no | N/A | N/A |
Wi-Fi | N/A | no | yes | N/A |
NFC | N/A | no | yes | N/A |
USB | N/A | yes | N/A | N/A |
Infrared (IR) | N/A | yes | N/A | N/A |
Charging connection | N/A | N/A | microUSB | Proprietary USB Cable |
Headphone connection | N/A | N/A | Bluetooth | N/A |
GPS | N/A | N/A | yes | yes |
Battery technology | Li-Ion | Li-Ion | Li-polymer | Li-Ion |
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Battery capacity | 300.0 mAh | 300.0 mAh | 420.0 mAh | N/A |
Average battery life (standby) | N/A | 144.0 h | 48.0 h | N/A |
Battery life (running) | N/A | 48.0 h | N/A | N/A |