Characteristics and Interoperability W192 GO Wireless Mouse by Fantech incredibly stable without any fuss Uninterruptible design & Completely silent Perfect in terms of size Three months or more of battery life Technology of Sensors: Optical Sensor Clarity: 1600 dpi Longest Battery Life: Three Months Type of Battery: 2AAA Wireless Four Buttons Maximum distance of ten meters 2.4GHz wireless system Wireless Connection Type (USB Receiver)