CLS Series: CLS1110, CLS1413, CLS1450, CLS1450C, CLS1450CB. Dynamic Designs C-Ring Headset with Push to Talk Button & Microphone. · Built In Microphone with Clothing Clip. Motorola 2 prong M1/ GP300 - 2 Prong Plug with 2.5mm and 3.5mm plugs with 8mm spacing.
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