1. The Main Function Of The Bluetooth Controller STK-7043 Is For The 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 Controller Mode, Standard Android Controller Mode/Wireless Controller Wireless Mode (For Ios13.0+)/ Mode X-Lnput & D-Input.4. Controller Supports Turbo&Auto 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 Physical Programming Function; It Can Also Support Keylink APP, In The APPBluetooth Version: Dual-Mode 4.2; Supports Bluetooth 2.1/3.0/4.0/5.0 Version Devices, Easy And Fast ConnectionBattery Capacity: Built-In Sufficient 400 Mah Rechargeable Battery. After Full Charging, The Continuous Use Time Can Be Up To 10 Hours (The Battery Life Of Games With Vibration Can Be More Than 5 Hours)Interface Type: Type-CFunction: ProgrammableConnection : BluetoothApplicable Products: for Switch, LITE, OLED, SteamNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:white+blackMaterial:ABSPackage Contents:1 x Handle1 x Charging Cable1 x English ManualOnly 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.