Headphone parameters
Product type: Semi-in-ear Bluetooth headphones
Bluetooth version: Bluetooth 5.4 ENC environmental noise reduction Noise reduction type The capacity of the charging case is 200mAh The battery capacity of the headphones is 25mAh The speaker impedance is 32Q+15% The speaker sensitivity is 109dB±3dB The headphones take about 1 hour to charge and the charging case about 2 hours The frequency response range is 2402MHz-2480MHz