1.USB mouse 2.Material:ABS 3.DPI:500-1000 3.Support Windows 7/Vista/XP/Linux/Mac OS 5.CE, ... RoHs,FDA approved,Accept PAYPAL 2.4G Wireless ... -press:over 5,000,000,000 times Color:customized DPI:500-1000 (switchable) system:compatible with Windows 7/Vista/XP/Linux ...