•Bluetooth Chipset IC: JL7003D4

•Bluetooth Version: 5.3

•Earbuds Battery Capacity: 3.7V/2*50mAh

•Charging Box Volume: 500mAh

•Speaker: Ф14.2mm  

•Playing time: about 7H (50% Volume)

•Battery life of Charging Box: 3 times                             

•Waterproof Level: IPX4

•Charging Port: Type-C