Bluetooth Wireless Speaker Mini Portable Super Bass For iPhone 5 Samsung Tablet100% 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: ≥96dbDistortion: ≤0.5%Dimension: 60x60x53mmWeight: 230gColor: as picture show Package include:1x Super Bass Mini Portable Bluetooth Handsfree Wireless Speaker1x USB Cable with AUX Audio Line If you have any problems ，please feel free to contact with us .we will solve the problem as soon as possible .