Choetech Stereo Headphone Wireless Active Noise Cancellation – Black choetech

Model : BH-T04
Bluetooth version BT5.0
Interface : Type-cEarbuds Charging time 2h
Audio frequency Range 20Hz–20KHz
Standby time :168Hours
Sensitivity : 100+/-3DB at 1KHz
Active cancellation :Up to 22-25dB at 1KHz
Earbuds Battery 400mAh