Bluetooth version: 5.3/5.4 Bluetooth scheme: JL 7023D2/AB5696D Material: ABS+PC Product size: 62*45.5*27mm Product net weight: 30 G Horn size: 10mmBattery capacity: 200mAh Battery : 30mAh (earbuds) Input: TYPE-C 5V 2ACharging time: 1.5 h playing time: 3-4 h /4-5 h