TWS

Driver unit: 5 mm

Frequency response: 20-20000 Hz 

Impedance: 16 Ω ± 15% 

Max input power: 5 mW

Bluetooth ver.: V5.0

Chip: RTL8763BFR

Battery life: around 4 h

Charging time (earbuds): 2 h

Charging time (case): 2 h

Charging connector: USB-C

Control method: touch sensor