OWS Bluetooth Earbuds Open-wear OWS earbuds with Bluetrum 5756T chip, supporting HSP/HFP/A2DP/AVRCP. 13mm drivers deliver clear audio while keeping ears open for ambient awareness. 25mAh earbuds + 250mAh charging case (with protection board). 3H playtime, 10m range, 1.5H charge. Lightweight, secure-fit design in black or white. Product Parameters of OWS Bluetooth Earbuds Product Name OWS Bluetooth Earbuds Impedance 32Ω Color black,white Transmission distance 10M Charging case