FX-AUDIO M1 Active Control Knob Controller 3.5mm Audio Adjuster PC Amplifier Switcher Control Knob Speaker Audio Adjuster USB for Win10/8/7//XP/

Features: Application: use it for watching videos, playing games, even will be best volume controller for various activities, wedding, celebration, meeting, performing and etc. Supports for Win10/8/7//XP/. Small and delicate, aluminum case, CNC machining process, gold-plated pins, made of metal shell and ALPS rotary shaft. 3.5mm audio in, connect tablet PC, computer, phone, audio player. 3.5mm audio out, connect amplifier, active speaker, headphone amp. Simple and easy to use, just insert it into your computer, then it will start to work; If you use it with an OTG cable, it can also work for phone. portable, lightweight, can be taken with you at any time to use, saving space. Specifications: Item Type: Volume Controller Material: Aluminum Color: Black Package Size: Approx.9*7.5*5.5cm / 3.54*2.95*2.17in Package Weight: Approx.88g / 3.1oz Package List: 1 * Volume Controller 1 * User Manual

Application: use it for watching videos, playing games, even will be best volume controller for various activities, wedding, celebration, meeting, performing and etc. Supports for Win10/8/7//XP/.;Small and delicate, aluminum case, CNC machining process, gold-plated pins, made of metal shell and ALPS rotary shaft.;3.5mm audio in, connect tablet PC, computer, phone, audio player. 3.5mm audio out, connect amplifier, active speaker, headphone amp.;Simple and easy to use, just insert it into your computer, then it will start to work; If you use it with an OTG cable, it can also work for phone.; portable, light weight, can be taken with you at any time to use, saving space.