The keyboard connected with bluetooth, the mouse connected with bluetooth(your device should support bluetooth function). Wide Compatibility: Compatible with iPad,Android tablet/Windows tablet. (Note: The keyboard may not be possible to connect to the device via the Bluetooth adapter.).
eBay
65% Gaming Mechanical Keyboard Wired Wireless Bluetooth Gamer Keyboard Hot Swap Custom Keycap Gasket for Pc Laptop
Aliexpress UK
Original Lenovo Wireless Bluetooth Keyboard For Laptop, Android Apple IOS Phone. Bluetooth Module. A wireless Bluetooth computer or other device (HID profile) that supports an external keyboard. Soldering Wire.
eBay
AULA F75 2.4G Wireless/Bluetooth/Wired Gaming Mechanical Keyboard RGB Customized 75% Layout OEM Profile Gasket PC Game Keyboard
Aliexpress UK
Compatible with iOS,/Android/Windows Tablets: Wireless keyboard for iPad/iPad Air/iPad Pro/iPhone, Samsung Galaxy Tab, Microsoft Surface, HP, Steam Deck, etc. [Note: Mac OS NOT Compatible]. 1 x Bluetooth Touchpad Keyboard.
eBay
Corne Bluetooth Wireless Split Keyboard 36/42 Layout ZMK Wired Custom Hot Swap Ergonomic Game Low Profile Keyboards PC Gamer
Aliexpress UK
Full Size keyboard. Bluetooth,Bluetooth/USB. Bluetooth Wireless. Bluetooth Wireless Computer Keyboard. Keyboard Standard. Keyboard Bluetooth,Mini Keyboard. Standard,Gaming,Mini,For Laptop. Mini Keyboard.
eBay
REDRAGON FLEKACT K708 PRO RGB USB Mechanical Gaming Keyboard 82 Keys Support Bluetooth wireless 2.4G Wired for Gamer Computer PC
Aliexpress UK
(Note 1:If You Need to Use Touchpad Mouse,Your iPad System Need to be Upgraded to IOS 13.4orAbove（iPad Air 1 Unable to Upgrade to IOS 13.4). Support IOS, Android and Windows system, this viable wireless keyboard for most tablets and smart phones like paraIPhone, paraIPad 2018 2017, paraIPad Pro, paraIPad 2/3/4, paraIPad Ar 2 1, ParaSamsung Galaxy Tab, for GALAXY Note, for Nexus 10, for LG, for Nexus, for Huawei, for ZTE etc.
eBay
K8 Wireless Mechancial Gaming Keyboard Hot Swappable Backlit Bluetooth 2.4G Wired Linear Red Switch for PS4 PC Win Mac Gamer
Aliexpress UK
(Note 1:If You Need to Use Touchpad Mouse,Your iPad System Need to be Upgraded to IOS 13.4orAbove（iPad Air 1 Unable to Upgrade to IOS 13.4). Support IOS, Android and Windows system, this viable wireless keyboard for most tablets and smart phones like paraIPhone, paraIPad 2018 2017, paraIPad Pro, paraIPad 2/3/4, paraIPad Ar 2 1, ParaSamsung Galaxy Tab, for GALAXY Note, for Nexus 10, for LG, for Nexus, for Huawei, for ZTE etc.
eBay
Rii X1 2.4GHz Mini Wireless Keyboard English/ES/FR Keyboards with TouchPad for Android TV Box/PC/Laptop
Aliexpress UK
7 Unique Color Backlit - 7 Elegant LED backlight with 2 brightness level and auto sleep feature to maximize power usage. The keyboard features hotkey shortcuts to make your work easier and more efficient.
eBay
ProtoArc Foldable Mouse and Keyboard Folding Bluetooth Wireless Mice Keyboards for Business Travel Laptop iPhone iPad Tablets PC
Aliexpress UK
5.Built-in software solutions with Bluetooth human interface device and comply with the standard version of the Bluetooth SIG bluetooth 3.0. wireless Bluetooth 3.0 interface. Use with non-BT equipped PC or Laptop need a USB Bluetooth adapter;.
eBay
Silakka54 Split Keyboard 2mode Wired Bluetooth Keyboards Ergonomics With Screen Support ZMK Studio Custom Pc Gamer Accessories
Aliexpress UK