Hot Selling Noise Cancelling Over Ear Music Wireless Headset Type C Bluetooth Headphones Earphones

Bluetooth version: Bluetooth V5.0+EDR
Transmission distance: 10 meters Use time: 4 hours
Standby time: 300 hours
Battery: 200 mAh rechargeable lithium battery
Charging time: 1.5 hours
Headphone parameters:
Horn: Ø 40mm
Sensitivity: 110 ± 3dB S.P.L at 1KHZ
Impedance: 32 Ω
Frequency response: 20Hz-20 KHz
Rated power: 15mW × two
Music playback time: 5h