Specification: 1. Item: USB Hub 2. : Grey, Silver 3. Material: Aluminum Alloy + ABS 4. Connector: USB 3.0 5. Interface: 3 * USB 3.0, 1 * TF Card Slot, 1 * SD Card Slot 6. : GL3510 7. Cable Length: 15cm Features: 1. The hub shell is made of aluminium alloy, which is more durable and with good capacity of heat dissipation. 2. Expands three USB 3.0 ports, one TF card slot and one SD card slot for your daily use. 3. Equipped with hidden , you could place your phone on it, more convenient for you to watch videos. 4. Supports OTG function, makes sure that your phone supports OTG function as well. Package Included: 1 xAluminum Alloy USB 3.0 to 3-Port USB 3.0 Hub TF SD Card Reader with Hidden Phone a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a