Check the listing for details. PELTOR X Series Black Bluetooth Wireless Communication Earmuff Accessory. Color: Black, Condition: New. Listed at 39.99 USD. The 3M PELTOR Wireless Communication Accessory, combined with the X Series Earmuffs, can help keep you protected while allowing you to communicate in noisy environments. The single button operation makes taking a phone call easy, even while wearing gloves. With the integrated speaker inside the X series earmuff and the noise cancelling microphone, the wireless communication accessory has been designed for talking in noisy environments. Resistant to harsh environmental elements including temperature fluctuations, sweat and rain Bluetooth wireless technology for connecting to your smart phone Talk/streaming time: approximately 8-hours Standby time: approximately 250-hours Charge time: approximately 3-hours