1. If you use Bluetooth mouse and touch keyboard, ipad system must be upgraded to IOS13 or higher 2. After upgrade, go to settings ----- additional functions ------ open additional touch, you can use the mouse 3. Bluetooth mouse and keyboard can be connected to ipad at the same time Long-term use: Bluetooth 3.0 technology provides clutter-free wireless connectivity. Working distance: 10 m. Compatible: Built-in touchpad with pointing control feature. (Works with Windows 7 8 Windows Vista and Windows XP) Support smartphones and tablets (ipad iOS need to upgrade to ios13 version) Stylish and portable: ultra-slim design. (Thickness about 4 mm) makes it easy to carry. lighter than regular magazines but durable enough for travel Long-lasting power: Built-in lithium battery provides stable operation. Auto-sleep feature saves energy. and let you get the most out of every charge. Split keys and scissor switch will make your typing as comfortable as on a laptop Size: 10.2 * 0.16 * 6.8 inches.