Headphone Features :

- Bluetooth Version

V5.0 + EDR

- Driver Size

40mm

- Impedance

32

- Rated Power

25mW

- Frequency Response

20Hz-20,000Hz

Active Noise Cancellation :

- Noise Reduction Specification

6 x 2.2mm

- Noise Reduction Frequency Range

40Hz-600Hz

- Max Noise Reduction Level

22dB +/- 2dB

- Noise Reduction Central Frequency 

100Hz-300Hz

Rechargable Battery :

- Built in Recharagable Battery

400mAh

- Working Time ANC On

UP to 15 Hours

- Working Time ANC Off

UP to 24 Hours

- Standy Time

100 Hours*

- Charging Time

3 Hours*