Klein Electronics Comfit-M1 Noise Canceling Pro-Audio 1-Wire Boom Microphone for Motorola GP, CP, CT, SP, XTN Series/ Blackbox & Blackbox+/ Bantam/HYT/Relm/TEKK 2-Way Radios - Made for Right Ear Only ALL DAY COMFORT: All day comfort is achieved using soft silicone molded eartips (includes 3 sizes) and a super lightweight boom microphone that stays in place even when you are running. An in-line switch enables volume control and music selection as well as other application options. EXCEPTIONAL NOISE CANCELING ABILITY: Offering up to 40 db of sound reduction, the ComFit is absolutely the highest rated noise canceling microphone available. The person you are talking to will hear you perfectly, even if the convertible top is down, radio is turned up, or the band is rocking! SOFT MOLDED EARTIPS FOR SUPERIOR COMFORT: The ComFit includes 3 sizes of soft silicone molded, hypo-allergenic eartips that allow you to achieve the perfect fit. The super lightweight boom microphone stays in place even when you are running. LIGHTWEIGHT AND SECURE: Lightweight And Secure The ComFit is extremely lightweight and the boom is designed to contour to your face. Patent pending design keeps it in place with zero boom wag for a comfortable all-day fit. INCLUDES M-1 PLUG FOR USE WITH: Blackbox: Blackbox, Blackbox+, Bantam / Motorola: BPR40, CP100, CP125, CP150, CP185, CP200, CT150, CT250, CT450, CT450LS, DTR Series, GP350, GP68, GP88, GP280, GP300, GP308, GP2000, GTI, GTX, LTS2000, P040, P080, P110, P1225, P1225LS, PR400, PRO3150, SP10, SP21, SP50, XTN446, XTN500, XTN600, XV1100, XV2100, XU1100, XU2100, XU2600, VL130, VL50 / RELM: RP6500 / HYT: TC-446S, POWER446, TC500, TC600, TC610, TC-620, TC700, TC700EX / TEKK: XU100, XV100, XU1000, XV1000