XINDAO Activity tracker Keep Fit - Basic Specifications

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Basic specifications
Screen size:
Weight:
Battery Type:
Battery capacity:
Bluetooth:
Operating temperature:
Waterproof :
Standby time:
0.49” OLED screen
21g
Polymer Rechargeable Li Battery
55mAh
4.0
-10°C - 45°C
Not waterproof! Not for swimming or diving
more than 7 days