Quad Connect Electronic Earmuffs with Bluetooth (NRR 27dB), Black/Gray, One Size$$Other

Bluetooth Sync with mobile device Integrated communication mic Make and receive phone calls through headset Four Hi Gain Omni Direction Microphones 9x hearing enhancement with 2 independent volume controls Sound activated compression (SAC) -.02 second reactoin timeYou may also like Surf Ears Version 3.0 - Brand New - Free Shipping.