Color Optional ： Black / Rainbow Backlit & Black / Orange Backlit & White/Ice blue. Knob switch (It can switch 16 kinds of backlit by press the knob，and it also can adjust backlit brightness and breathing frequency.).
eBay
Wireless gaming Keyboard and Mouse Set Rainbow/RGB Backlit Rechargeable Keyboard and 7 Color Gaming Mute Mouse with Pad
Aliexpress UK
✅【Smart Energy-saving】The keyboard and mouse are equipped with smart energy-saving functions.If there is no operation within 7 minutes,they will automatically go to sleep,press any key to wake them up.
eBay
60% Wireless Gaming Keyboard and Mouse Combo, RGB Backlit Quiet Ergonomic Mechanical Feeling Keyboard, Gaming Mouse for Desktop
Aliexpress UK
Wireless Gaming Keyboard and Mouse Combo with 87 Key Rainbow LED Backlight. 【2.4Ghz Wireless Connection】This gaming keyboard and mouse combo adopt advanced 2.4Ghz wireless transmission technology, shared one USB receiver, featured with plug and play, can be easily connected by plugging the USB receiver which place in the bottom slot of the mouse into the USB port of the device you want to connect, no need to install any software.
eBay
Redragon S142 Wireless Gaming Keyboard & Mouse Combo, 98 Keys K515 PRO Wireless RGB Membrane Keyboard
Aliexpress UK
✔【RGB LED Backlight】Cool rainbow backlit effect, it is an excellent visual experience in night operation ,ming keyboard has 16 kinds backlit and you can adjust the backlit by the Knob,FN+↑↓ and FN+ ←→ can adjust backlight brightness and breathing frequency.
eBay
EWEADN Wireless Gaming Keyboard and Mouse Set, 104 Silent Keys, Backlit, All-Metal Panel, Ergonomic, Quiet Typing
Aliexpress UK
【2 in 1 Wireless Connection】 The keyboard and mouse adopt 2.4G wireless connection, and the keyboard and mouse share a USB receiver, which make it more convenient for you to use the keyboard and mouse.
eBay
2.4GHz Wireless Keyboard Mouse Set Gaming Keyboard Mouse Kit Tablet keyboard for Android TV Box Laptop PC Office Accessories
Aliexpress UK
Jedel WS880 2.4ghz Wireless Gaming Keyboard and Mouse Set Combo for PC Laptop UK. The receiver is so tiny, you can plug it in once and forget about it. The combo also features a mouse. Furthermore, both the keyboard and mouse are fitted with auto-sleep on/off functions that saves you battery life.
eBay
Mini Bluetooth Keyboard Wireless gaming Mouse Keyboard Rainbow Backlit RGB Keyboard For iPad Phone Tablet Android iOS Windows
Aliexpress UK
【Bulit-in 2.4Hz USB receiver Connection】The keyboard mouse combo adopt advanced 2.4Ghz wireless transmission technology, shared one USB receiver, plug and play, can be easily connected by plugging the USB receiver which place in the bottom slot of the mouse into the USB port of the device you want to connect, no need to install any software.
eBay
Bluetooth-compatible Wireless Keyboard Mouse Set for Android Windows for Tablet iPad PC Keyboard Wireless Mouse Gaming Keyboard
Aliexpress UK
Scorpion Wireless Gaming Keyboard and Mouse Bundle Set LED Backlit. MARVO SCORPION KW512 WIRELESS GAMING KEYBOARD AND MOUSE SET. This combo keyboard has 3 colour rainbow backlight, mouse has 7 cycling backlight, both of them allow gaming and office modes.
eBay
Aula F98 Pro Transparent Mechanical Keyboard Wireless Bluetooth Gaming Mouse Set Hot Swappable Computer Office Equipment
Aliexpress UK