Active Noise Cancelling 

Noise Reduction Peak: -22dB tolerance 3dB

ANC chip: AMS AS3415

Bluetooth chip: CSR8635 V 4.1

Operation Range: 10m

Battery Capacity: 500mAh

Music Play Time: 21Hrs

Charge Time: 2Hrs

Driver Unit: 40mm

Impedance: 32 OHM

Frequency Response: 20Hz-20kHz

Sensitivity: 106dB Tolernce ¡À3dB                  

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