Maintain the distance between the receiver and the keypad within 50cm and long press the "ESC" and "K" keys for 3 seconds for code pairing;. You only need one usb receiver for both keyboard and mouse.
eBay
Bluetooth Keyboard Tri-fold Keyboard with Touchpad Mini Keyboard Rechargeable Wireless Keyboard For PC Windows Android iOS
Aliexpress UK
Enjoy the familiar typing whether you're an apple fan or a PC user. Available for both PC and Mac, you can use Windows or Mac keyboard layouts depending on your devices system with this wireless keyboard and mouse.
eBay
Mini Bluetooth-compatible Keyboard Wireless Keyboard For Computer Phone English Russian Rechargable Keyboard For Ipad Tablet PC
Aliexpress UK
Actual Images of item are shown above.
eBay
Portable USB 2.4G Air Mouse With Touchpad Keyboard Mini i8 English Not-Backlit Mini Wireless Keyboard For PC Android TV Box QWER
Aliexpress UK
1x Rii X1 Wireless Mini Keyboard. Upgrade your setup with theRii X1 Mini Wireless Keyboard, a versatile3-in-1 device combining akeyboard, touchpad, and mouse. ✅3-in-1: Wireless keyboard + touchpad + mouse in one.
eBay
Original Logitech k380 Multi-Device Bluetooth Wireless Keyboard for Computer Home Office magnetic keyboard mechanical keyboard
Aliexpress UK
The item is a set of one 2.4G wireless keyboard with 78 keys and one mouse, has 2 colors for selection and it can connect with your computer, TV box and smart TV. One USB receiver to connect both keyboard and mouse to PC.
eBay
UGREEN Wireless Keyboard 2.4G 104 Keys Ultra-Slim US RU Layout Wireless Keyboard Black for PC Laptop Desktop
Aliexpress UK
1 x Wireless Keyboard. 1 x nano USB receiver (Placed on the back of the keyboard). Mouse Sensor: Optical sensor. Keyboard: 44 cm x 14 cm x 3cm (Max.). 1 x Wireless Mouse. Connection Type: 2.4 GHz RF via nano USB receiver.
eBay
HXSJ L68 81-Key 3-mode wireless gaming keyboard silent Rainbow lighting ergonomic compact wireless membrane keyboard for pc
Aliexpress UK
Second, plug the USB dongle into your computer. Third, turn on them with their ON/OFF toggle. For a 9-5 job, you can use the keyboard to type for at least 4 weeks (with the backlight off). 【Cool LED Backlights】Rainbow light and adjustable brightness bring ambiance and visual aesthetics, making the keyboard mouse combo fun and energetic.
eBay
AJAZZ AK980 Mechanical Keyboard Multi-function Knob GASKET Structure Color Screen Wireless Gaming Keyboard PC Gamer Accessories
Aliexpress UK
Backlight wireless keyboard: mini touchpad keypad remote is with backlights. The backlights are evenly distributed on the wireless keyboard and very easy to see at night or in a theater room. Hold "Fn" and press "F2" to turn on/off the backlit.
eBay
Bluetooth Folding Keyboard for IOS/Android/Windows Tablet Phone Portable Folded Keyboard Computer Candy Wireless Keyboards
Aliexpress UK