note: 1. If you use Bluetooth mouse and touch keyboard, the ipad system must be upgraded to OS13 or above 2. After the upgrade, open and set up an auxiliary function. You can use the mouse as soon as you open the auxiliary touch 3. Bluetooth mouse and keyboard can be connected to ipad at the same time The Cute Thing In The Palm,Hands won't be sour It adopts a low-radian ergonomic design, which fits,the palm of the hand, effectively alleviating the fatigue of the hand for long-term use. Responsive Agile Speed ipad keyboard set 3-step DPI adjustment,high-precision 800-1200-1600DPI switching, quickly locate objects and track accurately No Charge For 30 Days Fully charged can be used for 30 days, standby 120 days. Smart Keyboard Multi-function Keys Basic key combination Switch apple system:FN+E Chinese and English input method switching:FN+Space Show physical keyboard:FN+Control Switch software:Conmmand+Tab Case switching:Capslock(If the iPad cannot be set first:Set one + general+keyboard + physical keyboard +turn off the caps lock key to switch the Latin keyboard) Note:If you need to use various countries(Korean,Japanese,etc.),please set the system to add a keyboard (IPAD Settings-General-Keyboard-Add Keyboard) SmartBluetooth Compatible with multiple systems Support Android/Windows/IOS/MAC system