Product details of Wireless Bluetooth Headphone Bluetooth 5.2 Magnetic Neckband Earphones Low Lantancy Sport LED Display Headset with Mic

Bluetooth receiving range:10 meters
Bluetooth version:5.2
Noise Reduction Version: CVC8.0
Frequency response:20Hz~20kHz
Impedance: 32Ω
Driver Diameter: 10mm
Battery capacity:300mAh
Call playback time:about 10 hours
Power input: DC5V/1A
Charging time:2 hours