Feature *100% brand new and high quality *Built-in microphone for hands-free phone call. *Support TF card(micro SD TF card)with TF card slot,can play MP3 format files in the TF card *Modular'buddy-jack'design:connect a row of Mini Speakers to get jaw-dropping audio performance *Built in rechargeable battery,charged by computer via USB interface. *New larger 45mm driver delivers precise highs for superb sound *It is mini portable that you can easily use it in your car at home, office, outdoor places ect. *Supports most devices with wireless Bluetooth function,such as smartphones,tablets,MP3 MP4 players Specifications: 1.Support A2DP, AvRCP, headset, hands free profile 2.Working range: up to 10m 3.Working time:4 hours 4.Dimension:63*63*63mm 5.Net weight:230g 6.Loudspeaker Output:3W 7.Frequency response:280Hz-16KHz 8.Battery Charging Voltage:5V 9.Battery Charger Time:2 hours Package Includes: 1x Bluetooth Speaker 1x Audio and USB charging cable 1x munual FM Radio operation 1:Connect the cable to USB 5pin (it is antenna). 2:Turn on the switch to MP3. (there have 2 model ) Bluetooth and MP3 . 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 Mini For iPhone6 /4/4s/5 For Samsung / Xiaomi /HTC For All bluetooth smartphone ...