Product Description:100% Brand New.Bluetooth synchronous broadcasting functionPowerful and clear sound in unique designCompatible with Bluetooth phones， MP3/MP4/CD/PC/MAC/PSP， etc.TF/Micro SD card supportSupport A2DP，AVRCP，headset，handfree profileFor iphone ipad and other smart phones， watching movies， playing games is the real enjoyment!Built-in lithium battery.Specifications:Color: show as the photoBluetooth protocol: version 2.1Bluetooth range: Up to 10meters.Talking time: Up to 5 hoursSpeaker: (??)45MMLoudspeaker Output: 3WFrequency Response: 280HZ-16KHzSignal-to-Noise: ??95dBDistortion: ??0.5%Battery Voltage/Capacity: 520mAhBattery Charging Voltage: 5V??0.5VBattery Charge Time: 2hoursPackage Content:1 x Bluetooth Speaker1 x USB line