Overview: Fully complied with the USB1.1/2.0 Single chip integrated USB (Universal Serial Bus) hub controller with embedded proprietary processor Supports 4 bus-powered/self-powered downstream ports Built-in 3.3V voltage regulator allows single+5V operating voltage, resulting in reduced overall system cost Provide up to 500m A current to each port which is sufficeint for diverse devices Hot plug & play Design with super streamline & mini size with color LED show (particular models) Specifications: Dimensions: 0.17 in x 0.17 in x 0.04 in Weight: 2.68 oz