Pasuihcay 2.5mm / 3.5mm are Headset Jack is a small round connector plug that was originally used for phone headsets. This 2.5mm subminiature and 3.5mm stereo audio cable are commonly used for their convenience in connecting portable mobile devices and small electronics, such as gaming headset, cell phones, mobile phones, MP3 players and other connections requiring a 2.5mm plug on both ends. Our 2.5mm to 3.5mm works bi=directional and is 60% compatibility with all devices having standard 2.5mm and 3.5mm ports. 2.5mm Male to male audio cable is made with a black PVC jacket for maximum durability and flexibility; Perfect for connecting portable audio devices to 2.5mm headsets such as, game console, gaming headsets, wireless phone, microphone, 660, and some mp6 players, etc Left connector type: 2.5 mm Left connector gender: Male Right connector type: 3.5 mm Right connector gender: Male Audio is transmitted in stereo format size: 1.5m colour: black Material: plastic Package Contents: 1 * 2.5mm to 3.5mm Adapter Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.