Basic Parameters
Band material: LSR
Standby time: 5~7 days
Working temperature: -10℃(14℉)~45℃(113℉)
Input: USB 5V, 500mA
Synchronization: Bluetooth 4.0
Screen: LCD screen, 15.4×21mm
Power supply: 60mAh polymers lithium battery
Waterproof level: IP65
Note: because of the characteristics of lithium battery, the best
temperature range for lithium battery charging is 0 ℃( 32 ℉)
~45 ℃( 113 ℉) .The charging efficiency will be influenced if the
temperature is beyond this range, and will decrease with
decreasing temperature, which even make the battery not
chargeable
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