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Editiorial reviews | ||||
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User rating |
Screen size | 1.34 in | 0.95 in | 1.54 in | N/A |
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Display technology | LCD | OLED | LCD | LCD |
Screen resolution | 300 x 300 px | 144 x 168 px | 240 x 240 px | 320 x 300 px |
Type of glass | Gorilla Glass | Gorilla Glass | N/A | Sapphire glass |
Heart rate monitor | yes | yes | yes | yes |
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Gyroscope | yes | yes | yes | N/A |
Microphone | N/A | yes | yes | N/A |
Phone Functionality | N/A | yes | N/A | N/A |
Built-in camera | N/A | N/A | yes | N/A |
Accelerometer | N/A | N/A | yes | N/A |
Pedometer | N/A | N/A | yes | N/A |
Barometer | N/A | N/A | N/A | yes |
Case diameter | 0.94 in | 1.57 in | 1.69 in | 1.97 in |
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Case height | 0.94 in | 1.18 in | 0.0 in | 1.97 in |
Weight | 1.31 oz | 1.41 oz | 1.53 oz | 2.86 oz |
Watch case material |
| Plastic/Synthetic |
| Stainless steel |
Wrist band material | Silicone | Silicone |
| Silicone |
Colour of bracelet |
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Case thickness | N/A | 0.53 in | 0.43 in | 0.66 in |
IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A |
Replaceable wrist bands | N/A | N/A | yes | N/A |
Anti scratch lens | N/A | N/A | yes | N/A |
Bluetooth | yes | no | yes | yes |
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Bluetooth version | 4.0 | 4.1 | 3.0 | N/A |
Wi-Fi | yes | yes | yes | N/A |
Built-in navigation system | no | yes | no | yes |
3G (UMTS) | N/A | yes | N/A | N/A |
USB | N/A | yes | yes | yes |
GPS | N/A | yes | N/A | N/A |
Charging connection | N/A | N/A | Proprietary USB Cable | N/A |
Battery technology | Li-polymer | Li-Ion | Li-Ion | Li-Ion |
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Battery life (running) | 96.0 h | 144.0 h | 24.0 h | 120.0 h |
Battery capacity | N/A | 130.0 mAh | 400.0 mAh | N/A |
Average battery life (standby) | N/A | N/A | 240.0 h | 336.0 h |