Feature:1. [Ergonomic] Controller paddles are ergonomically designed, easy to set up and control, and can be used for major game operations.2. [Button Mapping] Paddles support 10 function keys mapping, customize the personalized button configuration, adapt to various game buttons.3. [Burst Function] Back button attachment support for Turbo burst, say goodbye to "mouse hand", 20 shots a second, invincible.4. [Simple Operation] Controller back button attachment is plug and play, easy to install, can save some time and effort.5. [Applicable Model] Controller back paddles are suitable for gamepad, no need to switch the sound, plug it in and you can use it normally.Specification:Item Type: Controller PaddlesMaterial: ABSSleeping Current: Less Than 30UAOperating Current: Less Than 15mAOperating Voltage: DC3.0-3.3V .Package List:1 x Back Button Attachment1 x Instruction Manual