Compact, pocket-size: Perfect for On-The-Go users. Precise Optical Sensor. 4-Button with 2 adjustable dpi settings 1000/1600dpi. 2.4Ghz Wireless dongle stores in the bottom of the mouse & 1-AAA battery is included. Ambidextrous design to provide comfort and control for either hand. The Wireless Mobile Mouse from V7 is pocket-sized: making it ideal for On-The-Go users. The mouse features a precise optical sensor for smooth tracking, as well as adjustable dpi settings for even greater control. The 2.4Ghz Wireless dongle stores in the bottom of the mouse and the mouse comes with a AAA battery, so it's ready to use right out of the box. The Mobile Mouse is ambidextrous by design and is comfortable for either hand, plus it's backed by the V7 2-Year warranty. Mouse. Certification. Weee, CE, FCC. Frequency band. 2.4 GHz. Number of movement resolution modes. 2. Recommended usage. PC/Laptop. Button functions. DPI switch. Buttons type. Pressed buttons. Buttons quantity. 4. Scrolling directions. Vertical. Number of scroll wheels. 1. Scroll type. Wheel. Movement resolution. 1600 DPI. Movement detection technology. Optical. Device interface. RF Wireless. Purpose. Travel. Design. Product colour.