Aerbes AB-D477 Wireless Bluetooth 5.1V Headsets

Want to know why you should buy these headsets? The device recognizes the noise and sends out the opposite signal – a negative to the positive – thus neutralizing the noise, so it doesn’t interfere with your favorite tracks.
Excellent Bass and Treble: Wireless headsets provide high quality audio with excellent bass and treble.
Product Version: 5.1
Transmission range: 15m
Transmit power: Class 2
Impedance: 32 ohms
Charging case battery capacity: 400mAh
Talk time: about 3.5h
Music time: about 4h
Standby time: about 120h
Charging voltage: DC 5V
Package Weight: 106g
Package Dimensions: 10 x 4 x 12cm (L x W x H)
Package Includes:
1 x Aerbes AB-D477 Wireless Bluetooth 5.1V Headsets
1 x Pair of Earbuds
1 x Charging Case
1 x Charging Cable
1 x Manual