Headphone parameters
Product type: Wall-mounted Bluetooth headphones
Bluetooth version: Bluetooth 5.3 Noise reduction type ENC environmental noise reduction Capacity of the charging box 200mAh Battery capacity of headphones 25mAh Horn impedance 32 cents 15% 109dB+3dB Speaker sensitivity Charging time Frequency response range The headphones take about 1 hour and the charging case about 2 hours 2402MHz-2480MHz