DPS's mission is to provide innovative, practical and top-quality products that reduce cost and improve the way users employ digital technology. Commitment to excellence in design and function sophistication appeal to the needs of customers at any market condition. PRODUCT FEATURES: Add 4 USB 2.0 Hi speed ports; Fully compliant with USB 2.0 specifications; Support up to 127 hi speed devices; Backwards compatible with USB 1.1; Support data transfer rate at 1.5 / 12 / 480 Mbps; Friendly and ergonomic design, easily portable; Plug and play installation, no driver needed; Hi speed downstream ports with USB A female connectors; Hi speed upstream port with mini USB 5P jack; LED to indicate hub in operation.