Ugreen USB 4-Ports Multi-OTG Host Hub Adapter is specially designed for smart phone / tablet which equipped with latest technology of OTG Multi-Ports Supported.It also can allow you to connect your PC/Laptop using as USB 4-Ports Hub at the same time.You can connect your USB devices like mouse, keyboards, Pen Drive, External HDD, External HDD Enclosure, Multi-Media Player or Game Console etc to be used for your smart phone/tablet or PC.This is compatible for :Samsung Galaxy S7 Edge Samsung Galaxy S7 Samsung Galaxy Note 5 Samsung Galaxy Note 5 Duos Specification 1. For Smart Phone / Tablet / PC, Laptops 2. Add 4 USB 2.0 480Mbps Hi-Speed Ports; 3. Support USB MULTI-PORTS OTG function; 4. Micro USB Power Port built-in for getting extra power supply when connect HDD or Multi-Media Player which require high power for functioning5. Plug & Play, no need driversPackage included :1 x USB 4-Ports Multi OTG Hub Adapter