MOTOROLA Radio Earpiece Adaptor for GP Series, PRO Series, HT Series, MTX Series, PTF Series (THE-SECURITY-STORE) Made in United Kingdom. Direct from authorized THE-SECURITY-STORE retailer or fulfilled by Amazon. THE-SECURITY-STORE headsets are 100% exactly as described and as seen on the pictures and features a 90 day "NO QUESTIONS ASKED" money back guarantee. It is secured to the accessory connector on the side of the handheld with a single screw. If you want to use two pin earpiece with your multipin Motorola radio, you'll need a two pin adapter to use with two pin Motorola earpiece