Features: Programmable Buttons: 4 programmable custom mechanical back-keys, support a variety of button functions - for key value mappings, combos, macro-programming, help you win quickly and freely. Gyrocon+ Somatosensory Technology, Realizes Multiple Platforms and Multiple Somatosensory Mode: the exclusive Gyrocon+ somatosensory analog joysticks technology allows the platform forXB/PC to realize somatosensory applications even when itself do not support somatosensory, and somatosensory-aiming can greatly enhance the shooting game performance. 3Sets of Onboards Controller Configurations: can be customized for different game: buttons, joysticks, trigger, independent configuration buttons, click to switch configurations cyclically, and more game configurations can be configured and stored through the APP. Mobile APPRealtime Parameter Adjustment: Android-iOS, no need to switch mode, during game, set controller onboards configuration button mappings, joysticks/trigger dead zone and sensitivity, and macro-programming in realtime-through the APP. 1300mAh LithiumBattery: Built-in 3.7V 1300mAh rechargeable polymer-lithium battery, long battery seervice life, ultra-environmentally friendly, supports up to 10 hours of continuous use, and enjoys game. Ergonomic-design: Flying wing fit streamlined design, reasonable M1-M4 lay-out, more comfortable to hold, easy to achieve button control, lightweight design, not increase the total weight of the handle. Specifications: Main Material: Plastic Size: Approx. 13.6x10.5x4.6cm/5.35x4.13x1.for 81 inch Model Name: XRMOR-X Gamepad Extension Back Button Adapters Connection Method: 2.4G Wireless Adapters Supported Handle: for XBSeries Supported Platforms: for XBSeriesXS, XB-One, Switch, P4, PC(Windows10/11) Battery Capacity: 3.7V 1300mAh Package Includes: 1x Controller Back Button Attachment 1x AuxKey 1x USBAdapter 1x Data Cable 1x User Manual note: Please allow 0-1cm error due to manual measurement.