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SMBT-1705

Bluetooth ver.: V5.4 

Working time: 10+22 h 

Driver size: 17*12 mm 

Charging port: USB-C 

Impedance: 16 Ω ± 15% 

Frequency response: 20-20K Hz 

Operation method: touch sensor 

Charging time (earbuds/case): 2 h/2 h