L'avvento (HP15B) Wireless Headphone Bluetooth 5.0 with Touch Control - Black

Bluetooth Version V5.0 Touch Controller (Play – Pause – Volume UP – Down) Working Distance Range 10M Driver Size 2* 40 mm Rechargeable Battery: 3.7v, 300 mAh Charging time: about 2H Talking/Music Time: about 20h Impedance: 64 ohm S.P.L Color: Black