The PS4 Paddle Controller Extension features 14 customizable buttons, TURBO function, and plug-and-play installation for a seamless gaming experience. Made with durable ABS material, it has a compact size of 99.5x57mm and low power consumption. Its memory function allows retaining the last programming function after reinsertion, and its clear cache feature enables resetting the programming. The attachment supports an EXT wired connection for reliable performance. Enjoy enhanced comfort and control with this back button attachment. Feature: 1. This product is a PS4 controller back button extension that allows customizable button mapping on the back, supports TURBO burst function, and operates with plug-and-play convenience for an improved gaming experience. 2. Key composition: Includes 14 digital keys (R3, L3, R2, L2, R1, L1, TURBO, SET). 3. Function setting: Long press the SET button for 2 seconds until the X light flashes quickly. Press M1 or M2 to switch modes; lights flash slowly in sequence (R3, L3, R2, L2, R1, L1). 4. When the target button is flashing, press SET to complete the setting. Note: The device supports programming and memory functions when not in Bluetooth or charging mode. 5. Clear cache: Long press the SET button for 5 seconds until the LED changes from blinking to off. 6. Memory function: Retains the last programmed settings after reinsertion. Factory default has no predefined configuration. 7. Turbo function: Press M1 or M2 and TURBO simultaneously to enable continuous fire function. Repeat 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: DC 3.0–3.3V Size: 99.5 x 57mm Package Includes: 1 x Back Button Attachment 1 x User Manual