Finally, switched to the coorresponding system by pressing Fn+Q(Andriod)/ Fn+W(Windows)/ Fn+E(IOS). The mouse supports Bluetooth and 2.4GHz USB connection, the keyboard only supports Bluetooth connection.
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ZUOYA GMK87-L Mechanical Keyboard KIT 3-Mode Wireless Bluetooth Hot Swappable Gasket Customization Keyboard Gaming Keyboard KIT
Aliexpress UK
LARGE KEYS AND LARGE CHARACTERS: The bluetooth keyboard is designed with large keys and large characters, which are 12% larger than ordinary keyboards, making it more suitable for people with poor eyesight and large hands.
eBay
Dual Bluetooth Mechanical Keyboard Dual Modes BT5.0 2.4G Wireless Keyboard RGB Backlight Gaming Keyboard For PC Laptop Tablet
Aliexpress UK
Connectivity: Wireless, Bluetooth. Type : Keyboard. Color : White & Silver. Condition : Good Working Condition. No Dongle. Ending Soon. Product Details.
eBay
Logitech K380 Wireless Bluetooth Keyboard Kuromi Slim Portable Keyboard Laptop Tablet ipad computer mac keyboard Sanrio cartoon
Aliexpress UK
【Built-in Touchpad】The keyboard is equipped with a touchpad that supports multi-finger touch function, which can replace the mouse to operate the tablet, making it more convenient for you to use. The touchpad supports Android, Windows and IOS 13 (need to turn on assistive touch on iPad) 7 Unique Color Backlit - 7 Elegant LED backlight with 2 brightness level and auto sleep feature to maximize power usage.
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OS System Keyboard For Macbook Air iMac Pingguo MAC Keyboard Bluetooth Wireless keyboard
Aliexpress UK
Inateck Foldable Bluetooth with Touchpad (Model KB06101) - Bluetooth 5.3 with 3 Channels, compatible with iPadOS, Android, Windows. MULTI-DEVICE CONNECTIVITY - with Bluetooth 5.3 the keyboard connects seamlessly and supports quick switching between 3 devices.
eBay
K98 Dual Bluetooth Keyboard Dual Modes BT/2.4G Wireless Keyboard RGB Backlight Gaming Mechanical Feel Keyboard For PC Laptop
Aliexpress UK
Seamlessly connects toiOS, iPadOS, Android, and Windows devices via Bluetooth, includingiPad, iPhone, Samsung Tablet, Xiaomi, Huawei, Lenovo, and more. 1 x Bluetooth Wireless Keyboard. Why You’ll Love This Keyboard .
eBay
F75 Keyboard Bluetooth Gaming Keyboard,FREEWOLF F75 Wireless Keyboard with Metal Knob,RGB/Hot-Swap/4000 mAh High Power
Aliexpress UK
This wireless keyboard from Arteck is a great addition to your computer setup. With easy connectivity and a sleek black colour, it is perfect for anyone who wants a clutter-free workspace. - Keyboard only!
eBay
Leobog Alice A75 kit Mechanical Keyboard 3Mode Ergonomics Keyboard Hot swap RGB Bluetooth Wireless Alice75 Gamer Keyboard kit
Aliexpress UK
The Bluetooth connection is strong and stable, giving you flexibility and freedom without tangled cords. Perfect for students, remote workers, digital creatives or casual users looking for a stylish upgrade.
eBay
Dual Bluetooth Mechanical Keyboard Dual Modes BT 2.4G Gaming Wireless Keyboard RGB Glows Adjustable volume knob Keyboard For PC
Aliexpress UK