How to Charge:Insert the USB charger wire into the battery plug, and connect the other end to your computer USB port or an adapter (5V,0.5-1A) to charge the battery. Charging time: 60 to 90 minutesCharging Status: The indicator light on the 4-in-1 charger keeps on during charging and it will turn off if the battery is fully charged and we do recommend to charge it with home electric outlets which have strong current output.Specification:4-in-1 Battery Charger: Input: 5V-2A, Output: 4.2VBattery: 3.7V 650mAh, 2.41WhBattery quantity: 4 Pcs
T**W
Dont chance this product, it's a scam
Total crap!!!!1st one broke on second use... new one arrives and doesn't work whatsoever!Come on. Is this some kind of scam account or what!?!