Features:4 Ports Simultaneous Expansion: Say goodbye to repeated plugging and unplugging although the USB interface is small it is difficult to repair if it is broken. Extending 4 USB ports is also protecting the USB ports of the computer.No Delay: The keyboard and mouse have no delay equipped with high-performance chips anti-electromagnetic interference and data transmission is more stable.Four-Port Charger: The phone/tablet is fully charged quickly when power on. There is no need to connect a computer and it can be used in offices living rooms and any environment. (Note: The number of supported charging devices is related to the power provided by the for Android charging head.)Universal Fit: It can be connected to a variety of USB devices like U disk keyboard mouse mobile hard disk.Small and portable does not take up space easily into the briefcase more convenient to carry.Efficient Transmission: USB3.0 gives 5Gbps high-speed transmission experience truly realizes large file transfer in seconds and improves your office efficiency.Specifications:Type: USB HubMaterial: ABSColor: BlackSize(L*W*H): About 86x50x17mm/3.39x1.97x0.67inchCable Length: About 30cm/11.81inch 100cm/39.37inchOutput Interface: USB3.0*4 (theoretical rate 5Gbps)Input Interface: Type-A USB3.0*1 Micro USB 5VPower Supply: Micro USB power supplyPackage Included:1pc x USB HubNote:1. Due to the light and screen difference the item& 039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.