1.2.4g foldable wireless mouse 2.effective in 10-15M 3.usb port ... .CE FCC,UL,CCC standard 1,New design 2.4g foldable wireless mouse3,Connector: Mini USB Receiver, 3keys, 1 scroll wheel ... ,DPI 800-1600DIP,adjustable New design 2.4g ultra-thin wireless mouseMouse Type2.4g foldable wireless mouseModel NumberLM8013Mouse MaterialsABS DPI Resolution800/1600 ...