The comfi II wireless computer mouse is an ergonomically advanced computer mouse with advanced tracking sensors and adjustable DPI resolution. The comfi II wireless mouse's innovative and ergonomic design aligns your hand and wrist to a comfortable and natural position allowing long periods of use without pain or fatigue. Manufacturer: Ergoguys, LLC. Manufacturer Part Number: EM011-WW. Brand Name: I LG. Product line: comfi II. Product Name: comfi II wireless ergonomic computer mouse in white. Packaged Quantity: 1. Product Type: mouse. [Pointing device] pointing device connectivity technology: wireless. Movement detection: Optical. Movement resolution: 2000 dpi. Number of Total buttons: 5. Scroller Type: scroll wheel. Ergonomic fit: right-handed only. [Interfaces/Ports] pointing device host interface: USB. [Physical Characteristics] color: White. Height: 2". Width: 2.9". Depth: 4.2". Weight (Approximate): 4.20 oz. [Miscellaneous] package contents: comfi II wireless ergonomic computer mouse in white USB receiver. Device supported: computer.