2.4GHz Wireless 4-Button Optical Scroll (Black)

2.4GHz Wireless 4-Button Optical Scroll Mouse     Features/Specifications:     2.4GHz Wireless 4-Button Optical Scroll Mouse General Features: Color: Black 2.4GHz wireless technology 4-buttons DPI switch Optical sensor Scroll wheel (acts as third button) Powered by one (1) "AA" battery Unit Dimensions: 0.8 x 2.3 x 4.5-inches (H x W x D)   Package Includes:     2.4GHz Wireless 4-Button Optical Scroll Mouse Nano USB receiver   Additional Information:     Product Requirements: Available USB port One (1) "AA" battery