Used until removed, and there are no operational issues. Due to being a used item, there are scratches on the part that is inserted. Manufacturer: Logicool Product Name: USB Receiver M/N:C-U0007 Specifications: Receiver for Logicool mice and keyboards Other: No accessories, body only Pairing has been解除済み (unpaired). #unifying #mouse Type...Mouse Cable...Wireless (radio)