Pairing Process: 1) Keyboard: Switch the keyboard to be on and press Esc+k, the indicator of the keyboard is blinking. Move the Keyboard close to the USB port and insert the USB receiver to the USB port. 2) Mouse: Switch the mouse to be off, press and hold the right button and the wheel, turn on the mouse wait 2 seconds to release the holding, the indicator of the mouse is blinking. Move the mouse close to the USB port and insert the USB receiver to the USB port. | Arteck Only: This nano USB receiver is for Arteck 2.4G wireless products like keyboard or mouse, it's not suitable for other brands keyboard or mouse. It's not suitable for Arteck K730, HW197, HD197, MD167 or Bluetooth keyboard or mouse. | 2 Years Warranty: If you have problem using the product, please feel free to contact via Amazon or the support mail in the package, we offer 24-month warranty and friendly customer service. | Fast Delivery: The product is prime eligible. You can order it with prime option for fast delivery. | Manually Setup: If you have problem to connect the USB to the Arteck keyboard or mouse, please contact the seller before returning the product as there's the way to pair the USB to the keyboard and the mouse manually if it fails to connect automatically.