Specifications:Specification Model AirBuds 1 Color Black Wearing Type In-ear Material ABS Net Weight (g) Earphone: 9.88g Charging Case: 30.35g Dimensions (cm/ inch) Earphone: 27.34*17.33*24.29mm Charging Case: 64.54*39.78*26.38mmTechnical Parameters bluetooth Chip WT230U Charging bo..