mini usb loudspeaker (XH-NV01)

mini usb loudspeaker XH-NV01 Feature : 1. Connect DC5V adaptor plug into the socket DC5V for charging 2. Can play MP3 format music fromSD /MMC card 3.FM function with frequency range :87.5-108 MHZ 4."MODE" button on the panel can shift botween FM and MP3 mode. 5. Connect 3.5 stereo audio cable to the socket of LINE IN,you can play music sources from mobile phone ,MP3,MP4,PC and other audio devices. 6. with the mode "Line in ""FM RADIO""AD/MMC""U-DISK",you can press the button"mode" to choose the prefered mode 7."RE/V-",LONG PRESS:volumn down ,Short PRESS:Backwad ,under FM mode.short press:station selection backward, long press: backward auto searching "NEXT/V+" LONG PRESS:volumn up ,short press:forward ,under Fm mode .short press:station selection forward,long press:forward auto searching 8. Signal and noise radio of power amplifier: ≥80dB 9. output : RMS 5W (2.5W+2.5W) THD=10% 10. Frequency response:150HZ-18000HZ 11. Speaker: 40mm speaker,4Ohms 12. Cord plug: Stereo 3.5mm 13. Li-ion ouput: 3.7v*600MA 14. Li-ion Input: 5v 15. Built-in rechargeable 16. li-ion batt 17. USB power cord: optional 18. print Area: battery case at the backside 19. with remote control Packing: Unit Size: 97*97*97mm Packing: colour box Packing size: CM Qty: pcs/ctn Meas: cm N.W./G.W.: KGS