Features :100% Brand New! High quality Stereo SpeakerBluetooth synchronous broadcasting functionPowerful and clear sound in unique designCompatible with all kinds of mobile phones、bluetooth adapter or bluetooth player with bluetooth function.such as Iphone、HTC and so onTF/Micro SD card supportSupport A2DP、AVRCP、headset、handfree profilePairing with your iphone、 ipad and other smart phones 、 watching movies 、 playing games is the real enjoyment!Built-in lithium battery.Specifications :Bluetooth protocol : version 2.1Bluetooth range : Up to 10meters.Speaker : (Φ)40MMLoudspeaker Output : 3wFrequency Response : 100HZ-18KHzDimension : 7x7x7cmPacking: 1x speaker1x USB power wire1x 3.5mm Audio cable1x Manual