Feature: 1. [Plug and Play] USB 3.0 hub with 7 ports, compact and portable. USB 3.0 interface supports hot plug and play, driver-free operation on Windows XP, Vista, 7, and 8. Expands one USB 3.0 port into seven high-speed USB 3.0 ports. 2. [Independent Control] Each port has an individual LED indicator and a dedicated ON/OFF switch for real-time status monitoring and per-port power control. 3. [High Speed] Equipped with the GL3520 controller chip to deliver stable 5 Gbps data transfer speeds per port. Fully backward compatible with USB 2.0 and USB 1.1 devices. Optimized layout prevents signal interference. 4. [Safe and Reliable] Includes external power adapter for stable power delivery when connecting multiple devices. Built-in over-current protection safeguards connected devices and the hub. 5. [Applications] Compatible with external hard drives, USB flash drives, memory card readers, smartphones, digital cameras, HD webcams, audio interfaces, and other USB 3.0 peripherals. Supports simultaneous connection of multiple high-speed USB devices. Specifications: Item Type: USB 3.0 Hub Material: ABS Product Size: Approx. 16.5 x 3.5 x 2.2 cm (6.5 x 1.4 x 0.9 in) Cable Length: Approx. 51.5 cm (20.3 in), Width: Approx. 1 cm (0.4 in) Net Weight: Approx. 95 g (3.4 oz) Interface: USB 3.0 Transfer Rate: Up to 5 Gbps Compatibility: USB 2.0, USB 1.1 Driver-Free Support: Windows XP, Vista, 7, 8 Number of Ports: 7 Package Includes: 1 x USB 3.0 Hub 1 x Data Cable Note: Dimensions are manually measured; slight variations may occur.