description : plextone gs3 mark ii is now upgraded with two sound effect enhancers! this is a headphone adapter that connects through an audio jack perfect for a usb gaming headset speaker. built-in 15% volume expansion for more shocking and adventurous hearing enjoyment. it supports input signals for realistic visualization of gaming effects and it features a high-quality electromagnetic surround sound effect shield for a more fantastic and enjoyable gaming experience! main features: easy and comfortable to use since there are no extra drivers needed. just do a plug-and-play for instant high-quality audio playback. delivers high-resolution audio with 7.1 hd surround sound for the immersive gaming experience. compatible with 2-in-1 3.5mm audio plugs. two new sound effect enhancers - pubg and league of legends sound buttons. suitable for the sound card in the computer, laptop, desktop that is losing connection with the motherboard. the output audio sound can be adjusted in the volume adjustment wheel. specifications: model: gs3 mark ii item type: usb adapter sound card color: black channel: virtual 7.1 sound ch interface: 3.5mm jack volume expansion: by 15% sampling rate: 44.1k/48k/96k mute: one-button mute headphone mode: dual-plug mic, single-plug mic connectors: usb type-a, stereo output jack, mono microphone input jack compatible with: windows xp, windows vista, windows 7, windows 8, windows 10, linux, os x, imac, mac mini, android mobile phone, etc note 1: you can use it as well for your phone, as long as you have an otg adapter. note 2: for the unsealed variant, please be inform that the item is still working properly.