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Editiorial reviews | ||||
User rating |
Screen size | 1.56 in | N/A | N/A | 1.5 in |
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Display type | OLED | LCD | LCD | AMOLED |
Display | N/A | yes | yes | N/A |
Screen resolution | N/A | N/A | N/A | 216 x 432 |
Weight | 1.06 oz | 0.9 oz | 0.9 oz | 1.2 oz |
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Accelerometer | yes | yes | yes | yes |
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Altimeter | yes | N/A | N/A | N/A |
Heart rate monitor | yes | yes | yes | yes |
Calorie counter | yes | yes | yes | yes |
Distance meter | yes | yes | no | yes |
Pedometer | yes | yes | no | yes |
Sleep reading | yes | yes | yes | yes |
Touchscreen | yes | no | no | yes |
Vibration alarm | yes | N/A | N/A | N/A |
Water resistant | N/A | yes | yes | N/A |
Fully Waterproof | N/A | yes | yes | N/A |
IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP68 |
Support for HRM chest strap | N/A | yes | yes | N/A |
Watch | N/A | yes | yes | N/A |
Bluetooth | yes | no | yes | yes |
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Bluetooth version | 4.0 | 4.0 | 4.0 | 4.2 |
GPS | yes | no | no | yes |
NFC | yes | N/A | no | N/A |
Battery life | 7.0 day | 365.0 day | 364.0 day | 3.0 day |
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Battery type | Lithium Polymer | CR1632 | CR1632 | Lithium-Ion |
Charging via USB | N/A | no | no | N/A |
Battery capacity | N/A | N/A | N/A | 200.0 mAh |