for use with the following for handheld transceivers: 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, GP360, GP380, GP640, GP650, GP680, GP1280.It enables you to use above mentioned radios with the headsets designed for the following for handheld transceivers: AP10, AP50, AP73, AXU4100, AXV5100, CB PRO, CLS1110, CLS1410, CLS1413, CLS1450, CLS1453, CLS446, CP040, CP10, CP100, CP110, CP125, CP140, CP150, CP160, CP180, CP200, CP50, CT150, CT250, CT450, CT450-, DTR2430, DTR2450, DTR410, DTR510, DTR550, DTR620, DTR650, EP450, GP2000, GP2000S, GP2100, GP300, GP308, GP3188, GP350, GP3688, GP600, GP63, GP68, GP68 Plus, GP68-8, GP88GTX LTR Portable, GTX Portable, GTX Privacy Plus Portable, Handie Pro euro446, Handie Pro SRBR, LTS2000, One A8, One BPR40, , Plus, P020, P030, P040, P080, P110, P1225, PRO3150, PTX600, RDU2020, RDU2080D, RDU4100, RDU4160D, RDV2020, RDV2080D, RDV5100, SP10, SP21, SP50, SP50 Plus, SP66, Spirit, Spirit Series, Spirit , Spirit PRO, Triton Marine, VL50, VL130, Walka Talka, XTN446, XTNi, XTNi-D, XTX446, XU2600, XV1100, XV2100, XV2600, etc.Notice: If your radio model not listed above, see my other item or email us your model number, then we will help you find one that suit .There are a few benefits using this audio adapter: Accessories that plug into the adaptor are a cheaper option than the direct connection accessory. Quick disconnection of the accessory is Perfect for sharing a radio not sharing the accessory. Different can use a variation of accessories on radio with the to quickly interchange.The adapter is secured to the radio side with a single screw fixing and incorporates a 2- 3.5mm/2.5mm with 7.5mm apart (centre to centre) socket to fit a standard moulded plug. The socket, with integral dust cover fitted, is located on the side of the adapter to minimise the overall width when an accessory is connected.colour: blackMaterial: ABSPackage Contents:1* Audio adapter