CH334 USB 2.0 HUB 4 Port USB Expander MTT Multi Transaction Translator USB Splitter Module For DIY Electronics

Product Specifications:Interface Type: USB 2.0 (1 male Type-A connector for input, 4 female Type-A connectors for output)Transfer Rate: Up to 480Mbps, compatible with USB 1.1/1.0Power Supply: USB bus powered (5V/500mA, maximum current per port 500mA)Operating Temperature: -20℃~80℃Package includes: 1PcsInstructions for Use:1. Plug the hub's USB input port into your computer's USB port (recommended to use the port on the back of the computer).2. Plug your USB flash drive, keyboard, or peripherals into the hub's four output ports.3. No driver installation required, plug and play (compatible with Windows/macOS/Linux).4. When connecting high-power devices, it is recommended to use a powered USB hub.5. Avoid high-temperature and humid environments; hold the connector when plugging and unplugging.Product Features:1. Industrial-grade protection: Built-in surge protector chip + overcurrent protection circuit, resistant to voltage fluctuations, stable operation 24/7.2. High-speed transmission: USB 2.0 protocol, theoretical speed 480Mbps, compatible with USB 1.1/1.0 devices.3. Multi-device compatibility: Simultaneously expands four USB ports, supporting keyboards, tablets, USB flash drives, external hard drives, and peripherals.4. Plug and Play: Driver-free design, no driver installation required for Windows/macOS/Linux systems;5. Compact and Portable: Compact design saves desktop space, flexible for travel/office use.Precautions:1. Operating Environment: Temperature resistant from -20℃ to 80℃, corrosion-resistant and dustproof, avoid strong electromagnetic interference, vertical plugging and unplugging, do not shake while powered on.2. Power Supply and Transmission: Bus power supply (5V/500mA), high-power devices require external power supply, use standard USB 2.0 cable (<3 meters) to avoid overload.3. Compatibility: Supports plug and play for Win/Linux/macOS, check interface cable or restart if abnormal.4. Maintenance and Safety: Clean dust regularly, do not use liquid cleaning, disconnect power when not in use, do not disassemble, stop use immediately in case of malfunction, UPS is recommended for critical data.Due to manual measurement, there may be a 5mm error, please understand.Due to lighting conditions, there may be slight color differences between the picture and the actual product, please understand.