Welcome to our store！</br> 1、MULTIPLE FUNCTIONS: This volume controller is plug and play, supporting volume adjustment, song switching, one key mute, and one key resume song playback. 2、GOOD COMPATIBILITY: This volume regulator has Type C interface, compatible for Win10 8 7, for Vista, for XP, for Android system, no need to install driver plugins. 3、KNOB OPERATION: The volume controller has a large knob and several small buttons, simple and convenient to operate, can be used anytime. 4、METAL STRUCTURE: The volume regulator adopts an all metal housing structure, which is scratch and impact resistant, and has a textured appearance. 5、NON SLIP PADS: The computer volume controller has 4 non slip pads at the bottom, ensuring stable placement, and not easy to move during use. <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Volume Controller Product Material: Metal Compatible: Micro USB, Type C, USB3.0 and other interfaces <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Volume Controller2 x Data Cable 1 x User Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>