● Feature Highlights: Ultimate cost-effectiveness,Extremely comfortable to wear,Long working time,Ultimate appearance experience,Great sound quality and call experience. 

● Bluetooth chipset: AC7003D4

● Bluetooth Chipset Version：BT 5.4

● Earphone Battery Capacity: 50mAh

● Charging Box Battery Capacity: 400mAh

● Charging Box Available times(Full Charge): 3 times

● Charging time(H): 1.5 Hour

● Playing time(music)(H): ≥8 Hours(at 60% volume)

● Call Sensitivity: 42dB±3dB

● Frequency range: 20Hz-20KHz

● Port: Type-C Charging in Port