IMPORTANT NOTE: This keyboard is compatible with 3 systems, please press FN+A/S/D to switch the required system before use (FN+A is for iOs , FN+S is for Windows, FN+D is for Android ). Highly compatible with Samsung Tablets ( For Galaxy tab A9+/A9+ Plus/S9/S9 Plus/S9 FE/S8/S7/A8/A7 etc) Lightweight and Portable: ultra-thin and compact size(9.7*5.9*0.2 inch), perfectly matches your tablet, convenient to store with your tablet in a backpack or handbag. It weighs almost nothing and is super portable Upgrade Large Keycaps: 27% larger than other ordinary keycaps, providing a more comfortable typing experiences Rechargeable Battery: With a built-in 500mAh lithium battery lasts up to 200 hours after 2-3 hours full recharge. Automatically enters sleep mode after 30 minutes of inactivity, wakes up by pressing any key 7 Colors Backlit: The keyboard has 7 colors of backlight and 3 brightness levels, typing smoothly at anytime and work from anywhere Package: 1 x Bluetooth Keyboard fo