The 3M™ PELTOR™ Wireless Communication Accessory, WS-CUSH combined with the X Series Earmuffs, can help keep you protected while allowing you to communicate in noisy environments. Take that important call without stepping away your work. The Wireless Communication Accessory easily attaches to your existing 3M™ PELTOR™ Wireless Communication X Series Earmuff Accessory.With Bluetooth technology, the 3M PELTOR Wireless Communication Accessory allows you to stay connected to your smart phone throughout your work day and have hands free conversations. Quickly set up the Bluetooth connection with the auto pairing and connecting feature.The single button operation makes taking a phone call easy, even while wearing gloves. With the integrated speaker inside the 3M PELTOR Wireless Communication X Series Earmuff Accessory, and the noise cancelling microphone, the wireless communication accessory has been designed for talking in noisy environments.