1.Material Crysal-clear highlight ABS with Hi-Fi system. 2.Support MP3 music in SD/MMC card, and USB flash driver/AUX-input/stereo earphone. 3.Compatible with iPhone, and Blackberry, mp3 player, laptops or anything with 3.5mm jack. 4.Built-in hight quality speaker, an 6 pcs LED fountain running while music playing. 5.Patent protecting - Low-power Digital power amplifier module, output power:3.0W; - Hi-fi stereo speaker (4Ω/3W) -Input sensitivity ①AUX 450mV ②FM 380mV ③SD/USB 450mV - SNR≥68Db - Charging Voltage: DC 5V - Working Voltage: DC 3.7V - Battery capacity: 1000mAH