Features:

1. Wireless version :v5.4

2.handsfree call

3. Long battery life

4. SNR30dB

5. Good music sound

6. Clear talking for handsfree calls.

7. Soft earmuffs with noise absorbing foam

Specification:

Bluetooth version: V5.4

Speaker: 40mm

Working distance:66ft

Work time: 120 hours

Charging time: around 2 hours

Battery capacity: 1200mAh

Noise Reduction Rating: 30dB (A)