AGPtek&reg; 2.4GHz Cordless Wireless Optical Mouse w/ USB 2.0 Receiver 500/1000 DPI Adjustable Resolusion for Web Scrolling PC Laptop Desktop Dell Sony HP ACER Macbook Enjoy gliding across your desk without having to use a mouse pad with this wireless optical mouse 2.4GHz wireless transmission up to 10 meters operating distance. Adopt advanced RF wireless optical technology for ultimate wireless freedom.High accuracy and reliability NANO USB receiver ,receiver could be hidden into mouse when not using. Package including:1 x Black 2.4G Cordless Wireless Optical Mouse (AAA Battery not included) ; 1 x User manual