1: The handle is clamped on the left and right ends of the tablet 2. The clip is clamped on the screen 3. Move the game key position to the contact point of the clip and press the button to control the game key position. No Bluetooth or APP is required Applicable models: For 9.7 to 12.1 inch tablets Color: blue Material: FDM Weight of a single set: 200g Packing method: Boxed Contains a single set: Game controller*1