Feature:100% brand new and high qualityQuantity:1pcsWith micro SD TF card slot， you can play mp3 / mp4 format files in the TF cardSupport A2DP， AVRCP， headset， handsfree profileWireless portable mini Bluetooth stereo speaker systemSaves you from the hassle of tangled wiresExpanded BXS (Bass Xpansion System) drives a fuller， richer low-end responseBuilt in rechargeable battery ， charged by computer via USB interfaceModular 'Buddy-jack' design: connect a row of Mini Speakers to get jaw-dropping audio performanceThis model of speaker supports any mobile device comes with Bluetooth function such as IPHONE， IPAD， Samsung Galaxy/Note/tablet， Laptop， Tablet PC， etcCompact and portable，convenient to carrySpecification:Bluetooth Version: V2.1Working Range: Up to 10m (about 33 feet)Working Time: 5 hoursCharging Time: 1~2 hoursBattery Charging Voltage: 5V?��0.5VBattery Capacity: 520mAhLoudspeaker Output: 40mm 2.6ohm 3WInput power: DC 5VFrequency Response: 60Hz-18KHzS/N: ?Y96dbDistortion: ?��0.5%Dimension: 60x60x53mmWeight: 230gColor: as picture showPackage Included:1 x Super Bass Mini Portable Bluetooth Handsfree Wireless Speaker(with retail package)1 x USB Cable with AUX Audio Line