[3 in 1 Multi Device Keyboard]: Dual Bluetooth 4.0+2.4G wireless USB mode, easily pair and connect with up to 3 devices at a time.Support multi-OS, compatible with Mac OS, iPad, Macbook, iOS, Smartphone, Windows, and Android systems. [Ultra Thin & Compact]: Only 380g(0.8lb),15mm slim bluetooth keyboard with a numeric keypad, lighter and more portable than a traditional standard keyboard. Perfect for a small & busy desk in office & home work, even business travel, no take up more space. [Rechargeable Keyboard]: Built-in 280mAh lithium battery, It can be recharged easily with the micro USB charging cable included. No need for batteries any longer. Fast fully charged within 2 hours, can last 3-4 weeks for work.30 mins of inactivity auto-sleep and power switch design also keep a low consumption and long battery life. [Comfort & Precision]: Low profile scissor-switch keys are comfortable and ultra-quiet to type without lag, precise to control with good resilience, and fast response.Comes with a silicone dust cover in the package to keep your keyboard clean and dust-free. [Universal Full Keyboard]: Works well among different computer devices, laptops, tablets, desktop, PC. 2.4G USB receiver mode is compatible with the Windows system. Bluetooth 4.0 mode is compatible with Windows 8/10, Mac OS X10.10, iOS 13, Android 4.3, or higher.