Features: 1. This Keyboard Supports Both And Windows , With Two Modes Of Wireless And Bluetooth, And Three Computers Can Be Connected And Converted At The Same Time2. This Product Is Specially Designed For Notebook Users Who Need Digital Input Functions. This Excellent Digital Keyboard Provides A Simple And Fast Input Experience3. Automatic Reconnection: The Keyboard Automatically Connects To The Last Paired Device. Compatible With Windows, Android, , 10s : And Convenient4. Rechargeable, No Need To Replace The Battery, The Button Is Designed With "Scissor Foot Structure", Which Effectively Reduces Incorrect Input, And The Button Is More Comfortable And Faster To Input.5. Sandblasted Aluminum Alloy Shell, Elegant And High Durability, Built-In 300m Rechargeable Polymer Lithium Battery, Continuous Work For 20 Hours, Standby For 30 ;1. Number Of Buttons: 352. Battery Capacity: 300mA3. Bluetooth Version: Bluetooth 3.0 Or 5.04. Battery Life: 80 Hours5. Working Frequency: 2.402-2.480ghz6. Standby Time: 600 Hours7. Power Supply: Built-In Lithium Polymer Battery8. Usb:Type C Plug For Charging9. System Compatibility: Os 10.0 Above,| Os9.2 And Above, Compatible Withi , , Air/Pro. Windows 2000/Xp/Vista/7/8/10, Android SystemColor: Dark GrayMaterial: aluminium alloyPackage Contents:1 x Keyboard1 x Data Cable1 x English Manual1 x Receiver