active noise cancelling, BT V5.3, Transmission distance 10m, charging time about 2 hours, talk/music time about 35 hours, battery capacity 400 mAh, high quality sound, hands free calling, built in mic
Sport wireless bluetooth noise cancelling earbuds, bluetooth version 5.3 covering distance 10m , earbud battery capacity 100mAh , charging case battery capacity 950mAh , charge time 1.5 hour
