Detailed Product Description Key Specifications/Special Features:Audio adaptor Motoroal (GP328) to Motorola 2 Pin (GP300) Suitable for: HT750, HT1250, HT1250LS, HT1550, HT1550XLS PTX700 PTX760, PTX780 MTX850, MTX850LS, MTX8250, MTX8250LS MTX950, MTX9250 PRO5150, PRO5350, PRO5450, PRO5550, PRO5750 PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150 GP140, GP320, GP328, GP329, GP338, GP339, GP340 ...