●Optical Navigation Technology  ●Low-cost and powerful solution for low-speed USB combo mouse  ●Universal Serial Bus Specification, version 2.0  ●USB HID Specification, version 1.1 ●USB-IF and WHQL compliable  ●5V Power Supply ●Power Saving During No Motion  ●On Chip LED Drive with Regulated Current  ●Crystal-less  ●Resolution 1000CPI  ●Low EMI radiation  ●Supports 3D (X, Y, Z) input ●Supports 3 buttons and mechanical wheel encoding