Fangrui Product Details Selling Point: 1. Configure Two Usb Ports, Horizontal And Vertical, To Meet Different Usage And Placement Needs During Design Or Entertainment; (use Any One And Cannot Be Used Simultaneously) 2. A Total Of 12 Keys With Two Knobs; The Clockwise, Counterclockwise, And Rotary Buttons Of Each Button And Knob Can Be Customized When Pressed; 3. Multiple Led Light Effect Settings; Divided Into Three Layers (led Indication), It Can Meet Different Usage Needs, Avoid Multiple Settings, Improve Work Efficiency, And Enhance The Entertainment And Leisure Experience; 4. The Appearance Is Ultra-thin And Equipped With A Silicone Anti Slip Pad At The Bottom, Which Has A Grand Appearance And Is Convenient And Stable To Use; 5. First, Use The Delivered Type-c Data Cable To Set Up On The Win Computer, And Then You Can Use It. Difference: 1. The Toggle Switch Of The Usb Version Controls The Use Of The Keyboard, And The Keyboard Operation Becomes Invalid When Turned Off; 2. The Toggle Switch Function Of The Bluetooth Model I