General description This 2X 2 Pin Jack 3.5mm / 2.5 Audio Adapter is designed for use with a variety of handheld transceivers, allowing compatibility with headsets made for different portable transceivers. It provides a cost-effective solution for connecting accessories and facilitates easy sharing among users. Technical specifications Size: 10 x 10 x 5 cm Color: Black Material: ABS Socket dimensions: 3.5mm / 2.5mm with a 7.5mm (center to center) socket Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with 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 Compatible headsets for portable transceivers: AP10, AP50, AP73, AXU4100, AXV5100, CB PRO, CLS1110, CLS1410, CLS1413,