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UGREEN USB 3.0 Hub, 4 Ports USB HUB with cable, Compact Design for your Microsoft Surface, Ultrabooks and MacBook More Ports: Turn One of Your Computer's USB Ports into Four 4-Port USB 3.0 hub simply helps you to connect up to 4 USB devices to your PC or Laptop, such as external hard drives, USB flash drives, mouse, keyboard, USB headphone, speakers, memory cards, keyboard, mouse and much more USB devices etc. It provides you with an extra 4 USB ports and keeps you away from the trouble of plugging & unplugging repeatedly. SuperSpeed Data: Up to 5 Gbps Data Transfer Speed USB 3.0 Hub supports super faster data transfer speed up to 5Gbps, 10X faster than USB 2.0. It is backwards compatible with USB 2.0, 1.1 and 1.0. Extra Durable and Flexible USB Hub 3.0 powered With 1m USB 3.0 Cable: flexible cable can extend the hard-to-reach USB ports on your desktop to your desired location, which makes it a nice choice for the desktop. LED Indicators. Through the LED indicator, you can easily monitor the connection status. Perfect Solution for Power Hungry Devices Equipped with 3.5mm x 1.35mm 5V DC Jack, a perfect solution for power hungry devices by connecting a power adapter(not included). When connecting several HDD or large capacity HDD(eg, 1TB), pls kindly connect an extra DC 5v power adapter for extra power. Stable & Reliable GL3520 chip ensures faster and more stable data transfer. With built-in protection for over-voltage, short-circuit and over-current, this USB 3.0 hub can keep your digital devices and data safe. Important Notes * When you connect iPad or other tablets requiring higher power input, this USB 3.0 hub will sync but NOT charge. (Standard USB 3.0 interface on laptop can offer Max 900mA power input). * 2.4 GHz wireless devices, MIDI devices and some USB 3.0 devices may not be supported. Try using the host port or a USB 2.0 connection. * For a stable connection, please plug extra power adapter(NOT INCLUDED IN PACKAGE) to power high power-consumption device