Battery type:lithium ion cell
Charging time:5 hours(different charger different charging time)
Working time:normal use for 4-6 hours. Power conversion rate ≥75%
Note: No using charger higher than 5V
Instructions:1.Full charge for first use2.Press the five-way switch in the middle: Long press ON/OFF, short press pause/start3.The top and bottom of the five-way switch are voltage plus and minus(0.5v per voltage adjustment)4.Press right to display the power percentage, and press left to return the voltage interface5.If power less than 19%, charging lamp will flash, plug in charger and the lamp stay on6.100% full power, full power display light on.