3G Gold Universal Battery Charger

PRODUCT FEATURE: There is inserting recognised circuit with intelligence it can transmit output automatically in order to keep battery in negative or positive. It display colorful flash when it is charging. Available for Li-ion headphone battery under 2000mah capacity. Insert function power supply,av apply for 110-220v. Micro-computer can control charging processing with fast charging and high efficiency. When the battery is full. Charger will stop inputting automatically, so it is safe. Charge for most 3.6v/3.7v mobile phone battery.