PELTOR WorkTunes Pro on helmets

Peltor earmuffs with radio on helmet.
Up to 5 channels can be stored in memory, The device notifies you when there is little battery left and records the frequencies that occur when searching for radio stations.
There is no need to remove the covers while adjusting the device. You can connect with an aux cable to your phone and listen to music from it (not included).
Available for 2xAA batteries (Alkaline), included.
Battery life is approx. 40 hours
  
Noise reduction:
SNR = 31dB
H = 33dB M = 28dB L = 21dB

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