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Available colors |
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Screen size | 1.56 in | N/A | 0.42 in | 0.78 in | 1.1 in |
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Display type | OLED | OLED | OLED | OLED | AMOLED |
Display | N/A | yes | yes | yes | N/A |
Screen resolution | N/A | N/A | N/A | 128 x 80 | 126 x 294 |
Weight | 1.06 oz | 0.49 oz | 0.25 oz | 0.71 oz | 4.2 oz |
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Colour of product |
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| Black | Black | Black |
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Accelerometer | yes | yes | yes | yes | yes |
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Altimeter | yes | yes | N/A | N/A | N/A |
Heart rate monitor | yes | yes | yes | yes | yes |
Calorie counter | yes | yes | yes | yes | N/A |
Distance meter | yes | yes | yes | yes | N/A |
Pedometer | yes | yes | yes | yes | N/A |
Sleep reading | yes | yes | yes | yes | yes |
Touchscreen | yes | no | yes | yes | yes |
Vibration alarm | yes | yes | yes | yes | N/A |
Water resistant | N/A | yes | yes | yes | N/A |
Fully Waterproof | N/A | no | no | N/A | N/A |
Caller ID | N/A | yes | yes | N/A | N/A |
Status indicator (LED-diod) | N/A | yes | N/A | N/A | N/A |
Stopwatch | N/A | yes | N/A | N/A | N/A |
Support for HRM chest strap | N/A | yes | yes | N/A | N/A |
Watch | N/A | yes | yes | yes | N/A |
IP code (level of dust/water resistance) | N/A | N/A | IP67 | N/A | N/A |
Bluetooth | yes | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.0 | 4.0 | 4.2 BLE | 5.0 |
GPS | yes | no | no | no | N/A |
NFC | yes | no | no | no | N/A |
Battery life | 7.0 day | 5.0 day | 20.0 day | 20.0 day | 14.0 day |
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Battery type | Lithium Polymer | Lithium Polymer | Lithium Polymer | Lithium-Ion | N/A |
Charging via USB | N/A | yes | yes | yes | N/A |
Battery capacity | N/A | N/A | 70.0 mAh | 110.0 mAh | N/A |