1. Material: all alloy 2. Scope of application: All WindowsFor Mac computers 3. Interface: Micro USB 4. The blue interactive breathing light interacts with the operation and brings visual feedback. It is always on or off and can be set freely. 5. The controller will not be scrapped due to damaged wires. It can adapt to different needs and is more flexible and versatile than ordinary sliders. The wire length is 1.5 meters. 6. The full metal shell is stronger, the rotating button will not slide and can be operated with one finger 7. Comfortable in hand, comparable to non-plastic shells 8. It is convenient to watch videos and play games by directly adjusting the operating system volume without damaging the sound quality or generating noise. 9. Compatible with multi-system plug-and-play hardware standards, automatic driver installation 10. More fully customizable functions, you can set 6 actions for any shortcut key, such as left and right buttons, mouse wheel, etc. 11. No need to install drivers or software, plug and play, simple and convenient 12. Dimensions: 6x5 cm