for Android Compatibility:Optimized for Android devices, ensuring a reliable and user-friendly experience. DJ & Professional Stage Application:Designed for professional DJs and stage setups, perfect for dynamic lighting effects. for Dialer App|Bluetooth Connectivity:Seamless wireless control with Bluetooth for a clutter-free stage setup. Self-contained Design:Self-contained installation method for easy setup and use in settings. USB Power Supply:Convenient USB power mode for quick and -up, . Color: Black Material: plastic Package Contents: 1 x Controller 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.