Download Data sheet: mt15h7aws5-77 ArticleNo/ P/N: MT15H7P3EWS577 3M™ PELTOR™ WS™ ProTac XP Headset Bluetooth, 31 dB, Hard Hat Attached, FLEX. - No longer available from Peltor Replaced with 3M Product number: 7100195961. The PELTOR™ WS™ ProTac XP is an active-hearing ear defender that features Bluetooth® technology. The Bluetooth function enables work with both hands free. Price request Download Data sheet: mt15h7aws5-77