bluetooth speaker

Main Features: Bluetooth Version:V4.2 Play Mode:Bluetooth/TF CARD/AUX Speaker Full Range Unit: 45mm 4Q Speaker Power: RMS 5W*2 Power Output:5W Charging Voltage 5V/1A Battery Capacity:2000mAh/3.7V Passive Bass:58mm Working Time: 8-10 Hours Charging Time: About 4 Hours Bluetooth Trasnmission Distance:10m-15m