Product Details Fangrui Product Details Full Key Customization: One-click To Achieve Complex Operations. One-click Password, One-click To Open Files, Folders, Copy/paste, Multimedia Control, Etc. Applicable To Graphic Design, Post-editing, Video Editing, Modeling Rendering, Software Shortcuts, Brush Switching, Zooming In And Out, Etc. Bluetooth 5.0/2.4g/wired Three-mode Connection. Layer Function Design, 3 Layers Of Shortcut Keys Are Adjustable. Toggle The Keyboard Layer Function Key, Set The Corresponding Layer Function Shortcut Key Through The Software, And Set 3 Sets Of Different Layer Functions. The Keycap Shaft Is Easy To Change And Supports Hot Plugging: It Adopts , High-quality, Special High-quality Linear Red Shaft, Which Feels Light And Has A Strong Sense Of Rhythm, And Can Be Used For Both Entertainment And Office. It Supports Most Of The Three-legged And Five-legged Shafts On The Market To Meet The Users Own Preferences For Diy Shafts. Built-in 1200mah Large-capacity Lithium Battery, Plus Low-power Module, Brings Longer Battery Lif