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Available colors | ||||
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Editiorial reviews | ||||
User rating |
Display | yes | yes | N/A | N/A |
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Screen resolution | 96 x 32 | N/A | 120 x 240 | 126 x 294 |
Screen size | 0.86 in | 0.42 in | 0.95 in | 1.1 in |
Display type | OLED | OLED | AMOLED | AMOLED |
Weight | 0.74 oz | 0.25 oz | 0.78 oz | 4.2 oz |
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Colour of product |
| Black | Black | Black |
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Accelerometer | yes | yes | yes | yes |
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Calorie counter | yes | yes | yes | N/A |
Distance meter | yes | yes | yes | N/A |
Sleep reading | yes | yes | yes | yes |
Touchscreen | no | yes | yes | yes |
Water resistant | N/A | yes | N/A | N/A |
Fully Waterproof | N/A | no | N/A | N/A |
IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A |
Heart rate monitor | N/A | yes | yes | yes |
Caller ID | N/A | yes | yes | N/A |
Pedometer | N/A | yes | yes | N/A |
Support for HRM chest strap | N/A | yes | N/A | N/A |
Vibration alarm | N/A | yes | yes | N/A |
Watch | N/A | yes | N/A | N/A |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.0 | 5.0 | 5.0 |
GPS | no | no | yes | N/A |
NFC | no | no | N/A | N/A |
Battery life | 7.0 day | 20.0 day | 20.0 day | 14.0 day |
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Battery type | Lithium-Ion | Lithium Polymer | Lithium Polymer | N/A |
Battery capacity | N/A | 70.0 mAh | 135.0 mAh | N/A |
Charging via USB | N/A | yes | N/A | N/A |