Technical Details: 1) Output Power: RMS 5W (2.5W*2) THD=10% 2) Frequency Response: 150Hz-18KHz 3) Loud Speaker: 2inch (external diameter 50mm) ; 4Ω 4) Signal and noise ratio of power amplifier: ≥ 80dB 5) Output: 3.7V*1000MA 6) Input: 5.0V 7) Clock and alarm function. 8) Built in rechargeable Li-ion Battery and connect DC5V power input socket. 9) Play MP3 format music from MMC/ SD card, U disk. 10) FM radio function and frequency range: 87.5-108MHz. 11) Press MODE button can ba shifted among FM-USB-SD-FM in circular mode. 12) RPT key on the Remote control is for FM station automatically searching and storing under FM mode. Accessories: 1) 2PCS Nokia transform connector 2) 3.5mm stereo connect cable 3) Remote control 4) USB Power supply Cable Packing Details: Packing size: 19.5x13x10 cm 1PC/ colour box |