Wireless Wifi Mouse Universal USB Desktop Computer Notebook Windows_ Simpletek code 0409 Condition: new (see product condition details) The package contains: wireless mouse, USB receiver Note: batteries not included / the USB receiver is present inside the mouse - see photo N°5 Warranty: 2 years (Simpletek) Description Size: 100*60*35 mm Working voltage: 3V Working current: <7 mA Color: Black Contact us, click here eBay store powered by Shopping Feed.