... /USB card playing. Support FM radio. Support Li-ion battery and disassemble. Support earphone + 3.5mm audio Speaker model: (xkd3) ( Enjoy ... new concept integral stereo portable mobile music, connecting your MP3,CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook ... (3dB)Signal and Noise Ratio of Power amplifier: ≥80dBLoud speaker: 1.77inch(external diameter 45mm) magnetic resistant 4 OhmsPower ...