... PC/LaptopPackage Contents:Mouse, Nano-receiver , Battery, User documentaion,Warranty&quality assurance cardsAdvantage:1.Plug it in once and forget about ... inside the mouse.2.You get a powerful ,reliavle connection,with virtually no delays or dropouts,even in the busiestwireless environments ... appropriateDPI to work and game are handly. Factory direct sale high quality wireless mouse with 1year warranty