Mice & Trackballs Descripition The mouse is with ergonomics and fashion appearance design,which is with good hand feling.This cordle mouse is low pwer consumption,and it comes with many low power mode.There are many colors to choose,which is suitable for both men and women.The arc wirele mouse is moving with no burr and smooth,give you the best experience.With the excellent workmanship and good texture,this is also a good gift idea. SpecificationType:arc wirele mouseColor:show as pictures.Size:100-120mm.RF:2402mhz-2480mhzRF operation channel:16,automatic frequnency hoppingRated voltage:1.5V/3.0VReted current:7.5-14 MAMax. Acceleration:28ft/Sec.USB:ver. 1.1/2.0.Battery:not included. Note:There might be a bit color distortions due to different computer resolutions.There might be size errors due to different computer resolutions. Package included1 * cordle mouse.