Feature: Multi-Function Back Button designed for Controllers. Includes two programmable high-tactile back buttons that provide enhanced control and flexibility during gameplay. Up to 14 mappable keys: Supports up to 14 programmable inputs (including X, Y, A, B, RB, RT, LB, R, L), allowing customizable key mapping to help improve performance. Comfortable grip: Designed with durable materials for a secure and comfortable hold. 3.5mm headphone jack: Built-in 3.5mm audio port enables direct headphone connection for immersive sound experience. Note: The headphone jack on the back button may not be used simultaneously with other audio accessories. Plug and play, easy installation: Simple setup with no tools required. Installation is scratch-free and does not damage the controller. Note: This accessory is compatible with specific controller models only and does not support PC connectivity. Ergonomic design: Full-fit construction ensures the back buttons remain securely attached without loosening. Product name: Multi-Function Back Button Input voltage: 5V Set includes: 1 x Back clip button Material: Plastic Color: Black Package Contents: 1 x Back Clip Button Note: Lighting conditions and monitor settings may cause slight color variations between the product image and actual item. Measurement tolerance: +/- 1-3 cm.