1.Bluetooth version BK4.2
2.Output power:10W*2
3.Frequency response:60hz~18kHz
4.Relationship signalise:≥80dB
5.Battery:built-in rechargeable battery，4400mAh Li-Battery
6.play time:10-12 hours
7.Power Supply Voltage:0.5A DC5V/USB POWER
Product size:380*60*70mm
1.Portable outdoor speaker
2. Bluetooth
3.Built-in microphone
4.Charging for built-in battery
