... Magic Music Power bank, external power station/emergency charger, FM transmitter, handsfree car kitProduct IntroductionPower you life, enjoy your music ... 5V-1.0A 3.Capacity: 1300mAh 4. Battery cell: Li-Polymer5. Compatibility: Work with iPhone*2G, 3G, 3Gs, 4G, iPod* ... press button + and - by 0.1MHzTechnology1. Tested all battery cells with HTTTM (High Temperature Test) technology using EU standards2. UL ...