[Product Information]

Bluetooth 4.1 connectivity protects hearing by allowing you to take calls without removing your earmuff; you can also stream music without hazardous cords while keeping your phone safely in pocket
Boom microphone provides crystal clear communication in noisy environments and rotates out of the way when not in use
Volume Management Technology limits output volume from portable audio devices to 82 dB; Air Flow Control Technology provides optimal noise reduction across all frequencies (NRR 25)
Premium headband features rugged steel construction; headband and earcups are padded for long-wearing comfort; 16+ hour rechargeable battery
Package includes: earmuff， USB charger with wall adapter， 3.5 mm AUX cable， user manual;