Logitech M305 3-Button Wireless USB Optical Scroll Mouse w/Tilt Wheel (Fuschia Burst) Logitech M305 Wireless Laser Mouse General Features: Fuschia burst color design Wireless Optical technology Comfortable, ergonomic design 3-buttons Scroll wheel Contoured design Soft side grips Includes a Logitech Nano Transceiver Runs on one AA battery (not included) Up to two-year battery life Unit Dimensions: 1.5 x 2.4 x 4.5-inches (H x W x D, approximate) Regulatory Approvals: