Description: brand new and high quality Feature: Controller Paddles *Product introduction This product is a Controller Paddles handle extended button, you can customize the mapping of the button function on the back, support the TURBO burst function,plug and for play, and bring users a different gaming experience. *for Key composition It is composed of 14 digital keys (,,,,R3,L3,R2,L2,R1,L1,TURBO, SET). *Function Setting 1.Long press the SET button for 2 seconds,X light flashes quickly. 2.Press the M1 or M2 (Press once to switch once ), lights flashing slowly in sequence (Flashing Sequence:R3L3R2L2R1L1) 3.When the -target button is flashing, press the SET button,finish setting. *Note: the handle should also have programming and memory programming functions when it is not connected to Bluetooth-compatible state and charging state. *Clear Cache:Long press the SET button for 5 seconds,the LED changes from blinking to off. *Memory Function: Insert the handle again and still retain the last programming function. The factory default has no definition. *Turbo function:Press the M1/2 and Turbo at the same for time, the function for key has Turbo continuous for launch function .Repeat this step to cancel. Specifications: Item Type: Back Button Attachment Material: ABS Color: Black Sleep current: Less than 30uA Working current: Less than 15uA Power supply mode:EXT wired connection Working voltage:DC3.0-3.3V Size:99.5x57mm Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Back Button Attachment 1 x User Manual