... prevent overcharge, over discharge, Overcurrent, Short-circuit ect effectively.4. Plug and play: Use USB interface for power supply.5. Can be use ... Bluetooth ect at any time.6. Durable to use: Charge and discharge circulate times more than 3000 times.7. The product ... DC2.0, Micro USB, MINI USB, SAMSUNG, LG, SONY ERICSSON and AppleNet weight115gColorWhite, black, pink, maccha green, water blue, coffee. ...