Designed with flair: The sleek design complements your favorite HP devices, and fits comfortably anywhere Wireless convenience: The 2.4 GHz wireless connection reliably keeps you hooked up Battery life that lasts: With up to 16 months of life on a single AA battery, this mouse was designed to push the limits Ready for anything: Blue LED technology lets your mouse function on a wide range of surfaces, so you can work from almost anywhere Highly accurate: 1200 DPI optical sensor gives you exceptional accuracy and incredible speed