KLTJ4BEWR USB Volume Control Knob

Feature: 1. Support one key mute function, just press the knob to enter the mute state immediately, press again to restore the sound, simple and convenient to use. 2. USB connection, plug and play, once connect computer power, you can turn the knob to easily and quickly adjust the computer's volume. 3. Metal shell, non slip pad at the button, sturdy and durable, have a long service time. 4. Have wide application, a computer volume control knob to watch videos, play games, etc. 5. With stable and excellent performance can be used to replace old or damaged volume control knob. How to Use: The knob adjusts the up and down volume, press the knob to mute, press and hold the knob to adjust the volume faster; press the knob for 8 seconds, enter the night mode, the breathing light keeps shining. Specification: Item Type: USB Volume Control Knob Colour: Black Material: Metal Product Application: This external volume control knob is specially designed for computers and is compatible with for Win 10 8 7, for Vista, for XP, for OS X. Package List: 1 xUSB Volume Control Knob1 x User Manual 1 x Connection Line