1、Application: Fit for YAESU, Fit for Vertex vx‑10, vx‑110, vx‑130, vx‑131, vx‑132, vx150, VX‑2R, VX‑3R, VX‑5R; Fit for Retevis,RT40 RB615 RB15, etc. 2、Compatibility: U94 PTT push to talk connector cable is suitable for COMTAC, for MSA, for EARMOR, for TCA and for RAC headset. 3、Push to Talk: Walkie talkie headset adapter, 3.5mm 1 Pin, is simple to use, just press the button to activate the PTT (push to talk) device. 4、Easy to Carry: The headset connector cable has a sturdy back clip to provide a secure attachment that can be clipped to clothing or a belt. 5、Rugged Construction: The radio headset adapter is made of ABS and metal materials for ruggedness, impact resistance and long life. Item Type: PTT Adapter Material: ABS Application: Fit for YAESU, Fit for Vertex ft-10r, ft-40r, ft-50r, ft-60r, ft-250r, vx-10, vx-110, vx-130, vx-131, vx-132, vx150, vx-160, vx-168, vx-180, VX-210, VX-210A, VX-300, VX-350, VX-354, VX-400, VX-410, VX-420, VXF-1, VXT-10, VXT-20, VX-1R, VX-2R, VX-3R, VX-5R Fit for Retevis: RT40 RB615 RB15 1 x PTT Adapter