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
2.4G Wireless Keyboard Mouse Rechargeable Wireless Bluetooth Keyboard Mouse Silent Laptop Desktop Universal Portable 105Key
Aliexpress UK
Using advanced wireless 2.4GHz connectivity technology, you can easily connect the keyboard and mouse to your computer or laptop by plugging the nano-receiver into the USB port, no driver or software needed, just plug and play.
eBay
Keyboard For Tablet Android iOS Windows Wireless Mouse Keyboard Bluetooth-compatible Rainbow Backlit Keyboard For iPad Phone
Aliexpress UK
This keyboard and mouse set is made for maximum comfort yet slim enough to take up minimal space. Both the keyboard and the mouse easily connect wirelessly with a PC using one Nano USB receiver, saving those precious USB ports.
eBay
Lefon Wireless Mouse Keyboard Combo 18 Keys Numeric Keyboard 2.4G Plug and Play Accounting Number Keypad Portable Number Pad
Aliexpress UK
Transmission distance: <=10m. Real compact and slim in fullsize design. No wires make a more smart and tidy desktop.
eBay
RGB Bluetooth Keyboard And Mouse Set Mini Wireless Keyboard and Mouse Kit Rechargeable Russian Keyboards 10 Inch For iPad Tablet
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
MOFii Hello Bear 2.4G Wireless Keyboard and Mouse Combo Plug and Play Wireless Typewriter Keyboard and Mouse Set
Aliexpress UK
1 x nano USB receiver (Placed on the back of the keyboard). 1 x Wireless 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
Colors Cute 2.4G Wireless Keyboard Mouse Combo for Computer Laptop Korea/English Wireless Keyboard and Mouse Set Cat Shape
Aliexpress UK
The item is a set of one 2.4G wireless keyboard with 78 keys and one mouse, has 3 colors and it can connect with your computer, TV box and smart TV. The mouse and keyboard occupy only one port and you can use the saved interface to connect to other devices.
eBay
USB Spain Keyboard Wireless Mouse Set 102 Keys 2.4 GHz Ultra Thin Wireless Keyboard Mouse Set Full Size for Computer PC
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
2.4G Wireless Keyboard Mouse Set 104 Keys Keyboard and Mouse Combo Gaming Keyboard 2.4G Wireless Mouse For Laptop PC Accessories
Aliexpress UK