Features: Convenient three port design: Circular HUB structure optimizes desktop space. Connection multiple devices simultaneously through three USB interfaces to reduce insertion and removal operations and improve work efficiency. Durability plastic High strength plastic shell ensures long-term use without deformation. More lightweight and improving safety during use. Not require additional driver , instantly connection to computer devices. Simplified installation steps to save time. 3.5mm headphone port perforation design with built-in headphone port for convenient auditory output. Easy to operate ：You can directly connection headphones for music appreciation or video conferencing, avoiding the trouble of frequent plugging and unplugging of headphones. Specifications: Component: Plastic Length: about 1.2m/47.24in (difference 3-4cm) Port: Three-port expansion, support multiple devices connection Compatibles multiple memory card types, providing stable data transmission speed Suitable for office desktop organization, home entertainment equipment expansion, and multiple device connection requirements during travel Package Includes: 1POC Three-port USB Dock with Line note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.