Headphone parameters
Product type: Non-in-ear Bluetooth headphones
Bluetooth version: Bluetooth 5.3 Noise reduction type ENC environmental noise reduction The capacity of the charging case is 200mAh Battery capacity of headphones 25mAh The speaker impedance is 32Q+15% The speaker sensitivity is 109dB ± 3dB Charging time Frequency response range The headphones take about 1 hour and the charging case about 2 hours 2402MHz-2480MHz