Product type: Half in ear Bluetooth earphones Bluetooth version Bluetooth 5.4
Noise reduction type ENC environmental noise reduction
Charging case capacity 200mAh, headphone battery capacity 25mAh
Speaker impedance 32 Ω± 15% Speaker sensitivity 109dB ± 3dB
Charging time for headphones is about 1 hour, charging case is about 2 hours, frequency response range is 2402MHz-2480MHz