Full-Size Folding Keyboard with Trackpad:This full-size foldable keyboard with 78 keys + trackpad + a full row of shortcuts, with folded size (9.96×7.13×2.7inch) ,Expands to a full-size keyboard (9.96×2.4x0.8inch).The laptop-like external keyboard lets you type quickly and accurately, making your work easier and more productive.

Tri-Fold Bluetooth Keyboard: This Folding Portable keyboard ,allowing you to pair up to 3 devices simultaneously on three Bluetooth channels and easily switch between them. You can click the BT1/BT2/BT3 button to switch to the corresponding device.seamlessly across Windows,macOS,ios and Android.Perfect for Multitaskers move between laptop,tablet and smartphone.

Multi-function Touchpad:With Multi-Gesture Support Features intuitive gestures like 3-finger swipe (show desktop) and 4-finger tap (open Action Center). Switch modes (Fn+Q/W/E/R) for optimized performance on iOS/Android/Windows/MAC.

Broad Compatibility: Use with four major operating systems supporting Bluetooth (iOS, Android, Mac OS and Windows), including iPad 10.2 / Air / iPad Pro / iPad 9.7 / iPad Mini / iPhone / Android Tablets like Samsung Galaxy Tab, Google Nexus / Windows, etc.

Built-in rechargeable battery and Auto-sleep mode: Long-lasting rechageable battery with Quick Type-C Charging.Fully charged can provide more than 90 hours or standby 150 days .One Full charge is enough for your short business trip. Auto sleep mode after 30-minute of inactivity,it can be waked up by press any key. It can save the battery life make the keyboard use longer.

Package contents: Rii RK811 Foldable Bluetooth Keyboard, USB charging cable, User manual.This Folding bluetooth keyboard is easily put into your bag,making it more convenient to carry it on business trip,coffee shop ,libraries,travel and work at home.