Wireless portable mini Bluetooth speaker system.
Rotate adjust voice.
FM Radio function.
Saves you from the hassle of tangled wires.
With micro SD TF card slot, you can play mp3 / mp4 format files in the TF card.
Built in rechargeable battery , charged by computer via USB interface.
Compact and portable, convenient to carry.
Support A2DP, AVRCP, headset, handsfree profile
Bluetooth Version: V3.0
Working Range: Up to 5m
Working Time: 1.5 hours
Charging Time: 2 hours
Battery Capacity: 520mAh
Frequency Response: 280Hz-16KHz