3 Button Retractable Optical Mouse

Transit 11056 3-Button USB Optical Scroll Travel Mouse General Features: Black and Silver Color 3-Buttons Advance Optical Sensor Technology Quiet Scroll Wheel Retractable USB Cable (Retracts up to 28 inches) Ergonomic Design 800 DPI Resolution Unit Dimensions: 1.25 x 1.75 x 3.45-inches (H x W x D, approximate)