Ugreen UGREEN USB 3.0 Hub Micro USB OTG Adapter with 4 USB Ports for Macbook air, Surface, Laptop, OTG Compatible Android Cell Phone and Tablet 20292 USB Hub  (Black)

2 in 1 USB Hub and Micro USB OTG Adapter UGREEN USB Hub OTG Adapter not only works as a 4-port USB 3.0 hub for laptop and PC, but also a micro USB 2.0 OTG hub for phones and tablets supporting OTG. 4 port USB 3.0 hub helps you to connect up to 4 USB A devices to your PC or laptop such as external hard drives, USB flash drives, mouse, keyboard etc. Convenient OTG(On The Go)function provides a convenient way for smart phones and tablets working as the host for data syncing from flash drive, game controller and more. 4 Port USB 3.0 Hub with OTG Specification 1. With 4 USB 3.0 Ports: USB 3.0 transfer rate is up to 5Gbps, backwards compatible with USB 2.0 and USB 1.1; 2. Micro USB 2.0 Connector: Work for OTG-enabled phones and tablets such as Samsung S7 S6 Edge S4 or Note series phones and tablets, Google Nexus 4/5/7, LG G2/G3, Sony, Nokia, Lenovo yoga, HTC etc; 3. DC 5V for power supply to the product itself when connecting high power consumption devices. Power adapter is not included; 4. LED indicator easily monitors the connection status; 5. Plug and play. 6. Cable Length: 80cm Note *Please connect an extra DC 5V(Center Positive Polarity) adapter to this product when using more than one USB flash drive for OTG function. *It is a USB 3.0 hub designed for data syncing and can NOT be used for charging devices; *Micro USB 2.0 connector ONLY works for phones and tablets with built in OTG function. Please check your device specs before purchase *DC 5V port is designed for power supply ONLY to the product itself. Note: It ONLY works with DC 5V(Center Positive Polarity) adapter. *When connecting external hard drive,it must be powered. *For 3.5” hard driver, both the adapter and hard drive needs to be powered. *Hard Drive Format should be EXFAT. *Support up to 2TB for 2.5” hard drive, 4TB for 3.5”hard drive.