USB Hub 3.0 – 4-Port or 7-Port High-Speed USB Splitter with Power Adapter Features: - Hot-plug and play compatibility - Fully compliant with USB 3.0 specification - Blue LED power indicator - Individual ON/OFF switches for each port - Compact design ideal for travel and everyday use Specifications: - Item Name: USB 3.0 Hub - USB Ports: 4 or 7 - Cable Length: USB 3.0 cable approx. 605 mm; USB 2.0 cable approx. 400 mm - Dimensions: 104 × 35 × 21 mm (4-port), 164 × 35 × 21 mm (7-port) - Data Transfer Rate: Up to 5 Gbps - Color: Black or White - Compatible with Windows XP, Vista, 7, and Mac OS 9.1 or later Package Includes: - 1 × 4-Port USB 3.0 Hub OR 1 × 7-Port USB 3.0 Hub Notes: - A US plug is available upon request—please specify at checkout. - This hub is designed to expand USB connectivity only and is not intended for charging mobile devices. - Power adapter specifications: 5 V, 1 A, connector size 3.5 × 1.35 mm.