High Quality Portable Bluetooth Speaker

Specifications high quality portable bluetooth speaker Bluetooth V2.1+EDR Driver Unit:Stereo Frequency Response: 100Hz---20KHz      high quality portable bluetooth speaker      high quality portable bluetooth speaker  Bluetooth V2.1+EDRPortable to take Support OEM Good sound quality  Support:FM radioSupport:3.0 Hands free       RMS:2.6Ω,3Watts; Material:Aluminium Alloy Bluetooth V2.1+EDRDriver Unit:StereoFrequency Response: 100Hz---20KHz; Bluetooth Operation Range: Up to 10 Meters; Color:Metal Gray/Metal Blue/Metal pink/Metal Red;inner MIC; Battery:inner alu-Lithium/520mHADimension: 60*60mmSupport:AUX in,Cellphone,MP3,MP4,MID,PCSupport:FM radioSupport:3.0 Hands freeAccessory: 1*Use manual,  1*3.5 audio cable,    1*Micro USB charge cable   Product Features:Name  2013 made in China bluetooth speaker Model No.ECM-BS03ABluetooth VersionV2.1+EDRHand-free FunctionYesMusic from TF CardYesDistortion<0.5%RF Range10mFrequency response100HZ-20K HZLoudspeaker Output2.6Ω3WWorking Voltage5VCharging VoltageDC 5VSignal-to-Noise≥85±2dBBattery Capacity520mAhCharging TimeAbout 2-3 hoursPlaying Time3 hours(Max volume)-6 Hours(low volume     1,Pls do not put the speaker close to the liquid and dip into the liquid.2.When the speaker is charging,pls guarantee three are no flammable and explosive dangerous goo    ds around it,do not put the speaker close to heat sources,and maintain ventilation.Pull out thre plug      hen you go out.3.Adjust the volume at the appropriate in case of disturb to the others or damage the speaker.4.When the speaker no power,it will go to automatic protection status and stop working,pls charge it fi     rst before use it again.5.If  the speaker becomes hot during charging,pls stop charging immediately.6.Pls pull out the plug as soon as possible after finished charge.7.Pls place the speaker on the place where children cannot reach it when charging.8.Pls swich the speaker at”OFF”level when no use to save the battery power .