Game Controller Back Button Accessory for SONY PS4 Gamepad Joystick Rear Extension Buttons Adapter with Turbo Button Description: This product is a PS4 controller paddle handle extended button. Customize the mapping of the back button function, supports TURBO burst function, plug and play, and provides users with a different gaming experience. Function: 1. Consists of 14 digital keys (triangle, circle, cross, square, R3, L3, R2, L2, R1, L1, TURBO, SET). 2. Clear Cache: Long press the SET button for 5 seconds, the LED changes from flashing to off. 3. Memory Function: Re-attach the handle and still retain the last programming function. Factory setting has no definition. 4. Turbo Function: Press M1/2 and Turbo simultaneously, the function button has a Turbo continuous start function. Repeat this step to cancel. Specification: Material: ABS Color: Black Quiescent Current: Less than 30μA Working Current: Less than 15μA Power: EXT wired connection Operating Voltage: DC 3.0-3.3V Size: 99.5 X 57 mm / 3.92 X 2.24"