Wireless Bluetooth Headphones
Bluetooth Version - 5.3+EDR
Battery Capacity - 40mAh/400mAh
Working range - 10m
Frequency response - 50Hz~20kHz
Sensitivity - 110dB
Impedance - 32Ω
Battery Life - Up to 8 Hours
Standby Time - Up to 40 Hours
SNR - 99dD
Color - White, Black