Sync Digital Electro Headphones

Sync Electo radio headphones with surround microphones from Howard Leight by Honeywell.
With LCD screen showing the radio stations.
Batteries included with 2xAA. Aux cable is also included, you can connect to the phone and listen to music from it.
Battery life approx. 100 hours

Noise reduction:
SNR = 29dB
H = 29dB M = 27dB L = 22dB

SNR = Mean value of hearing protection
H = Assessment of hearing protection due to loud noises
M = Evaluation of hearing protection due to intermediate frequency sounds
L = Evaluation of hearing protection due to low frequency sounds