Insert the new batteries in both mouse and keyboard. Connect the USB dongle with any working USB port of your computer/laptop. Restart the computer and after restart both Keyboard and Mouse shall start working.
eBay
Rii Mini Bluetooth Keyboard With Touchpad Backlit Portable 2.4GHZ Wireless Keyboard For Smartphones Laptop/PC/Windows/Mac/TV Box
Aliexpress UK
【 15M Use Distance 】 Wireless 2.4G technology provides a cable-free connection for the portable keyboard; the flat keyboard boasts a range of up to 15m wireless connectivity. 【 Quiet Typing 】 The USB keyboard's scissor X structure provides a comfortable typing experience, while the low-profile keys ensure silent and comfortable typing on this small wireless keyboard.
eBay
HXSJ 60% Wired Transparent Gaming Keyboard, RGB Backlit Ultra-Compact Waterproof Small Compact 61 Keys Keyboard for PC/Mac
Aliexpress UK
If you use Bluetooth mouse and touch keyboard, the ipad system must be upgraded to OS13 or above,What you choosed, what you will get, For example if you just choose the keyboard only,you will not received the Case Cover and Mouse.
eBay
Foldable Wireless Bluetooth Keyboard Folding Mini Keyboards With Touchpad for PC Mac Smartphone Windows iOS Android
Aliexpress UK
It can provide a quiet and comfortable typing experience without worrying about disturbing anyone. KEYBOARD COVER. KEYBOARD STAND. Bluetooth 5.0 Wireless Keyboard. NEW RELEASE. Bluetooth 5.0 technology provides a stable and interference-free connection with a working distance of 10m.
eBay
YUNZII B75 White RGB Mechanical Keyboard, 75% Hot Swappable Gaming Keyboard with Knob, Gasket Backlight Keyboard for Win/MAC
Aliexpress UK
United Kingdom Keyboard Layout: Experience comfortable, quiet typing on a familiar UK keyboard layout. Ultra-Thin and Lightweight Design : The slim and lightweight keyboard and mouse are highly portable.
eBay
Mini Foldable Bluetooth Keyboard Portable Wireless Keyboard Ultra-Slim Travel Folding Keyboard for iPhone iPad Mac Android
Aliexpress UK
This is a genuine Apple product. Fully tested and working.
eBay
Machenike K500 Mechanical Keyboard Gaming Keyboard Wired Keyboard Hot Swappable 94 Keys RGB Light Mac Windows
Aliexpress UK
The Apple Keyboard for iMac is a sleek and stylish wireless keyboard designed by Apple specifically for use with their iMac computers. The keyboard features a standard QWERTY layout, making it easy for users to type comfortably.
eBay
Wireless Folding Keyboard with Backlight RGB Foldable Bluetooth Keyboard with Touchpad Travel Keyboard for iOS Android Mac OS
Aliexpress UK
NEW Slim Wireless Bluetooth Keyboard For iMac iPad Android Phone Tablet PC UK. The new Bk-100 is a low-cost but quality tactile keyboard using the latest Bluetooth(tm) wireless technology to easily connect to your tablet, smartphone or many other devices using a Bluetooth(tm) connection.
eBay
Foldable Bluetooth Keyboard With Touchpad Or Number Keyboard Wireless Rechargeable Folding Keyboard For Windows/iOS/Android/Mac
Aliexpress UK