The mouse is created by introducing the world¦ S most advanced wireless technologyùbluetooth, making it ideal for mobile applications, freeing you from the trouble of tangled wires. Main features: 1, Ergonomic and sleek design Point and click in comfortùergonomic design helps you work longer without discomfort 2, BCM2042 bluetooth 2.0 version, up to 33 feet range 3, SNIFF energy-saving mode, maximum 22 mA working current 4, High definition laser technology---1600DPI More precise, responsive and deliver smoother tracking 5, Powered by 2 AAA batteries, built-in power switch 7, Rechargeable through cable with USB interface 8, WIN2000/ME/XP/NT Mac OS compatible This model is available in optical/laser mouse