1COMPATIBLE MODELS: Headset extension cable is compatible for Astro A10 A40 A40 TR headphones. It provides you with stable and clear sound transmission during your gaming and live streaming at a fast speed. 2APPLICABLE DEVICES: Gaming headset extension cable is suitable for Xbox One, Car Stereo, Player, Laptop, PC, Smartphone and more. 3VOLUME CONTROL FUNCTION: Headset extension cord with volume control allows you to adjust the volume with the control wheel. Just use it to enjoy your games and free time. 4PLUG AND PLAY: There are two sizes of connectors, one is 3.5mm 4 pole and the other is 3.5mm 5 pole. Simply plug the 5 pole into your headphones and the 4 pole into your sound device. 5STURDY AND DURABLE: Headphone extension cable features a 3.5mm gold plated sound plug with oxygen free copper wire. Easy to carry, durable and knot free. 1 xHeadsetExtensionCable