The Genuine Logitech unifying receiver USB doungle for mouse and keyboard M510 M325 is a black Dual Sensor wireless receiver from the trusted brand Logitech. It is designed for use with the M510 and M325 mouse and keyboard models, offering programmable buttons and silent functionality. With a maximum DPI of 20000 and a manufacturer warranty of 1 year, this receiver ensures reliable connectivity via RF and USB, making it a convenient and efficient choice for computer users looking for a high-quality wireless solution. These are opened refurbished dongles
eBay