product description: 1.Unique Advanced Accessed design & custom lighting effects: You will have 9 adjustable LED lights in different colors choose the one you like best. If you choose red with a unique Advanced Access design its effect will be like hot magma; If you choose blue it will be like a brilliant lightning! So buy it now light up your favorite light in the night you will be the coolest among your friends! 2.Highly compatible for switch controller:You will be able to use this wireless switch controller to connect to different devices using.  (1)Wireless connection to the Switch/Switch Lite/OLED console;  (2)Bluetooth connection to Android/IOS devices to play games that support HID mode/MFI protocol (requires IOS 13.0 and above);  (3)Wired connection to Windows PC to play games that support X-Input mode and game platforms such as Steam (requires Windows 7 and above). 3.Adjustable light & large capacity battery:The controller has 9 LED light colors: 8 colors and rainbow LED colors; three light modes: breathing light constant light and close. In addition you can adjust the brightness of the lights (back light button + rocker up/down button) adjust to the most comfortable state to start the game! The controller comes with a large capacity battery of 1000mAh which is twice as large as other controllers. 3 hours of charging can last for about 12 hours so you dont have to worry about the power even with the lights on. 4.Programming function for switch pro controller:You will get the controller with macro programming function. The controller has 2 back keys M1/M2 both can be programmed with 1-16 function keys respectively. When programming the keys the controller will record the time interval you press each key and you can release the combo with one key which make the game operation more smooth and relax your fingers. 5.Adjustable Turbo & V