【Features:】 ◆No need to connect anything to the console or TV/ receiver. A microphone is required for chat. ◆Enables most wired stereo gaming headsets to work with Xbox One*. Easily adjust chat audio without taking your hands off the controller. ◆Controls include volume up/down, microphone mute, and game/chat balance. ◆Connects to the bottom of the Xbox One Wireless Controller and features a 3.5mm audio jack for your wired headset to plug into. Includes 2.5mm to 3.5mm adapter to enable a stereo Xbox 360 wired headset to work with Xbox One. ◆Install Process:Use the adapter into the handle, and the earphone into the 3.5mm port. NOTE: This adapter is only fit for Xbox one controller without 3.5mm mic on rear shell. ◆Install Process:Use the adapter into the handle, and the earphone into the 3.5mm port. 【How to upgrade software?】 Before use, please enter the System Settings page, with an USB cable to connect to controller for software upgrade. 1. ENTER setting, 2. SELECT System 3. INSERT USB cable and SELECT upgrade. 【Buttons and Functions:】 Mic Mute: Press to turn off the microphone, press again to turn it back on(LED will glow when muted). Game Balance Button: Press to emphasize game audio. Chat Balance Button: Press to emphasize chatting audio. Volume Up: Press to increase overall game and chat volume. Volume Down: Press to lower overall game and chat volume. 12 PIN Interface: Plug into your Xbox One controller. 3.5mm Audio Jack: To connect any 3.5mm headset. 【Description:】 ◆Elegant appearance, fine workmanship, precise dimension. ◆Easy to install and use, dirtproof and wear resistant. 【Specifications:】 ◆Material: plastic ◆Color: black ◆Package size: 85*30*79mm ◆Package Included: ◆1 x Stereo Headset Adapter