● Feature Highlights: The ultimate cost-effectiveness,A variety of colors are available, F13 composite membrane speaker, Ultimate sound quality experience, Ultimate noise reduction effect.

● Bluetooth chipset: AC7003D4

● Bluetooth Chipset Version：BT 5.4

● Earphone Battery Capacity: 30mAh

● Charging Box Battery Capacity: 150mAh

● Charging time(H): 1 Hour

● Playing time(music)(H): ≥3 Hours(at 60% volume)

● Call Sensitivity: 42dB±3dB

● Frequency range: 20Hz-20KHz

● Port: Type-C Charging in Port