Variety guaranteed With 3 colors & patterns to choose from the 7100P has a great-looking design to suit every taste Naturally this mouse also cuts a dash under the hood the 1000 DPI HD Sensor & 4D scroll wheel make surfing & clicking a joy The 5 GHz standard not only guarantees interference- free transmission it also – in combination with Rapoo’s latest energy saving technologies – offers a battery life of up to 18 months reducing the hassle of replacing batteries System Requirements Windows XPVista 7810 USB (Universal Serial Bus) port Reliable 5 G Hz wireless connection Up to 10m range & 360° coverage 4D scroll wheel Adjustable 1000 DPI HD sensor Nano USB (Universal Serial Bus) receiver Up to 18 months battery life Box Contains Wireless mouse Nano USB (Universal Serial Bus) receiver 2 AA alkaline batteries Quick Start Guide