Fangrui Product Details 1. The Main Function Of The Bluetooth Controller Stk-7043 Is For The Nintendo Switch Platform. It Supports The Latest Oled Host. It Is Also Compatible With The Android Platform/ios13.0 System And Supports Android Phones, Android Tablets, Mobile Phones And Tablets With Ios13.0 Or Above Systems. 2. At The Same Time, It Can Also Support Windows System Computers With Bluetooth Function, Which Also Have Wired Pc Function. The Default Is X-input Function, And Can Also Be Switched To D-input Mode. 3. The Controller Has Switch Game Controller Mode, Standard Android Controller Mode/wireless Controller Wireless Mode (for Ios13.0+)/pc Controller Mode X-lnput D-input. 4. The Game Controller Supports Turboauto Special Functions, Supports Turbo Speed Adjustment Function, And Adjusts The Three Gears Of Fast, Medium And Low. 5. There Are 2 Buttons On The Back, Which Can Support Marco Physical Programming Function; It Can Also Support Keylink App, In The App Bluetooth Version: Dual-mode 4.2; Supports Bluetooth 2.1/3.0/