Specifications:
Type: USB Lipo battery charging cable
Input voltage: DC 5V 0.5-2A
Output voltage: DC 4.2V 300mA
Output plug: outer diameter 2.0mm round plug
Rechargeable battery: 3.7V lithium battery can be charged at 50-600mah
Function description: after the battery is fully charged, the voltage is 4.23V +/- 0.03V

Charging protection: the charging cable is equipped with intelligent charging management IC, which can protect the lithium battery from overcharging and extend the life of lithium battery better.

Package included:
1pcs USB charging cable