TENQ&reg; Rainproof 2-pin Shoulder Remote Speaker Mic Microphone PTT for Motorola Radio Pmr446 Pr400 Mag One Bpr40 A8 Ep450 Au1200 Etc(4 Pack) Package of 4 Push-To-Talk button and microphone are located on the accessory for quick and easy use. 3.5 mm jack for external listen-only earpiece earphone. A strong swivel retaining clip on the back for convenience. Heavy duty and Rainproof Design.