Product Features: Heavy duty speaker provides clear sound performance Wide PTT Key-press area, convenient for operating Firm and durable housing, strain relief cable for maximum durability 360 degree clip at the back 3.5mm accessory jack at 1 side Compatible Cobra 2-pin Radio Models: MT Series: MT110, MT220, MT305, MT500, MT525, MT700, MT725, MT900, MT950 FRS Series: FRS90, FRS100, FRS105, FRS110, FRS115, FRS120, FRS130, FRS220, FRS225, FRS235, FRS250, FRS300, FRS305MA, FRS307, FRS310WX, FRS315WX PMR Series: PMR250, PMR300 PR Series: PR330, PR500, PR880, PR900, PR945, PR950DX, PR1000, PR1050WX, PR1100WX, PR2000 HH Series: HH37ST, HH38WXST, HH45WX, HH45WXST DNT ProfiTek-77, XP-8, XLP-77, DRS 1000, DRS 2000 More other models, please feel free to contact us for more details.