Feature :Super Bass speaker， you can experience the perfect voice completely. A10 Wireless Bluetooth Speaker Support Answer Calling and TF CardSupport TF card(micro SD TF card)with TF card slot，can play MP3 format files in the TF cardSupport Mobile Phone/Laptop/Tablet PCLarger 45mm driver delivers precise highs for superb soundBuilt in rechargeable battery，charged by computer via USB interfaceSpecifications:Support A2DP， AvRCP， hands free profileWorking time: 1~2 hoursHorn specifications: 45mm 26Ohm 3WLoudspeaker Output: 3WFrequency response: 280Hz-16KHzSignal to noise: 95dBDistortion: 0.5%Battery Charging Voltage: 5VBattery Charger Time: 3 hourDistance: 10-30metersCharge voltage: 4.8V -5.5V DCOperating voltage: 3.7V -4.2V DCOperating Current: 150MAQuiescent Current:> 1UABattery: 400Mah FM Radio operation : Connect the cable to USB 5pin (it is antenna).Turn on the switch to MP3. (there have 2 model ) Audio input and Radio model .Please long press play button 3 second to switch to Radio model. and press play button 1 second ，then will Automatic search .Compatible with :For iPad / For iPad2 /For New iPad /For iPad MiniFor iPhone6 /4/4s/5 For Samsung / Xiaomi /HTCFor All bluetooth smartphone ...Package Includes:1x Bluetooth Speaker1x Audio and USB charging cable1x Retail box