Describe: 1. Rotate HUB USB rotating HUB, suitable for notebook expansion, light and convenient, super inclusive, high-speed transmission, 100% brand new and high quality. 2. 3-in-1 port and super inclusive expansion of 3 USB ports, no driver required, plug and play, fully compliant with USB 2.0 specification. 3. Strong inclusiveness Suitable for smart phones, digital keyboards, hard drives, card readers, USB mini fans, USB coolers, keyboards, old mice and other computer equipment. Specification: Working humidity: 10% - 90% Working temperature: -20C - 75C Storage temperature: -40°C - 85°C size chart:Dimensions: Approx. 50 x 43 x 18mm/1.97x 1.69 x 0.7 inches Package package: 1 USB HUB with 3 ports Notice: All dimensions are measured by hand and may have slight deviations. Colors may vary slightly due to individual monitor color settings. Each enables or disables the use of each port. Thank you for your understanding. Please enjoy your happy shopping time! 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool. 【High-Quality Materials】Crafted from premium, durable materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact.