1.USB mouse 2.Material:ABS 3.DPI:500-1000 3.Support ... OS 5.CE,RoHs,FDA approved,Accept PAYPAL 2.4G Wireless USB Mouse for Notebook or desktopMaterial:ABS plastic / GPPS Effective distance ... : 5-10m Connector:USB Life of key-press:over 5,000,000,000 times ...