For Tablet PC Computer Speaker Audio L80W70 Black Knob

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This USB volume adjuster can directly control the computer operating system volume. It also can adjust volume by OTG leads to connect mobile phone, car computer, set-top box and other Android devices. Features Strong Construction: made of metal shell and ALPS rotary shaft, equipped with breathing light and come with USB cable. With one key mute function, when you are listening to music, just pre the knob, it will stop at once and back to music when you pre again. Disconnect the audio lead or malfunction, it wouldn’t affect the sound quality and make a noise. This volume control knob supports Win10/8/7/Vista/XP/Mac, once you insert it to your computer, it can start to work; with OTG cable, it can also work for phone.(Note: some phones can't work, for replacing Android native sound control program , such as Samsung.) A great volume control tool for watching videos, playing games, even will be the best volume controller for activities, wedding, meeting, celebration and so on. Simple Operation: turning the knob to turn up and down volume, pre the knob to make it mute, pre down the knob and turning to adjust volume more quickly; keep preing the knob for 8s, it will enter night mode, breathing light will stay on. Blue breathing light is interacted with operation. Soft blue light indoor and in the evening and you can adjust it lighting or closing. Parameters Support operation syst: Windows (XP/Win7/Win8/Win10, etc); Mac; Linux; Vista; Android. Shell material: Aluminum Color: Black silver USB wire length: 1.5m Size: Small 60*50 mm / Large 80*70 mm Connections Insert the volume regulator into the computer USB port; the audio output device directly inserts into the computer 3.5mm earphone hole. (As long as the sound is from computer, built-in speakers, external speakers, earphone, power amplifiers, hotel mixer or 7.1 surround speakers can be used.) Package Includes 1* Volume Adjuster 1* 1.5m USB Lead

About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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