mini speaker

Specifications:Mini speaker use for mobile ,computer,MP3 etc...1)Output Power: RMS 5W(2.5W*2) THD=10% 2)Frequency Response: 150Hz-18KHz 3)Loud Speaker: 2inch(external diameter 52mm); 4Ω 4)Signal and noise ratio of power amplifier: ≥80dB 5)Output: 3.7V*1000MA 6)Input: 5.0V 7)Built in rechargeable Li-ion Battery and connect DC5V power input socket 8)Play MP3 format music from MMC/SD card, U disk. FM function, Frequency Response: 87.5-108MHz. 9)Connect 3.5mm stereo audio cable to speaker socket "LINE IN",can enjoy the music from mobile phone,MP3,MP4,PC,IPOD and other audio devices,no need to shift among U disk/SD/MMC card,MP3/MP4, it can automatically read the first input media device. 10)Use Remote control can auto searching.FEATURE: mobile speaker,multimedia speaker,computer speaker box, Portable Audio speaker,mini speaker, mp3 speaker, portable speaker, computer speaker, speaker box 1,signal suport/MP3(SD/U disk)/FM direct switch 2,Built-large-capacity lithium batteries 3,support USB,SD,MMC card mp3 player songs. 4,LED LIGHTS INSTRUCTIONS. 5,Support one,the next song,adjust volume,play / pause; mode switching 6,three power supply: Lithium own ower supply,computer USB power supply,DC power supply 7,remote control functions. 8,support radio functions. 9.With FM radio, U disk and SD card read, radio frequency and songs can be displayed serial number, can show the playing time and adjust the sound symbols