Walmart customers who have purchased the CYLO Wireless Keyboard and Mouse Set may find that the USB Bluetooth Receiver may not be located in the housing stated in the manual. You may find that the USB Receiver is located in either the mouse or keyboard. Please see the supplied images for those locations. If by any chance you purchased this set and a USB Receiver was not included, please do not hesitate to contact our support representatives at email@example.com, they will immediately work with you to resolve this issue. Thank you for your purchase & we appreciate your business.