Portable mobile power bank with music player 1,Portable,mini size. 2,Rechargeable polymer battery. 3,Led lighting. Portable mobile power bank with music player 1 ... Range: 2.402GHz ~ 2.480GHz unlicensed ISM band Output Power: Class2, Maximum connection distance:10 meter Supported Profiles: ... input voltage, electric current:DC5.0V 1000mAh Charging output voltage, electric current: DC5.0V 500mAh Battery ...