LOG910001543 - LOGITECH, INC. M215 Wireless Mouse Logitech M215 3-Button Wireless Notebook Optical Scroll Mouse General Features: Color: Black/gray Compact design USB interface Snap-in nano transceiver Plug-and-play 27 MHz wireless frequency Intelligent battery management Powered by one (1) "AA" battery (not included) Regulatory Approvals: FCC CE MIC BSMI VCCI cULus C-Tick