Xiaomi 4 Ports USB 3.0 Hub with Stand-by Power Supply Interface USB HubBrand: XiaomiItem: 4 ports USB 3.0 HubInterface: USB 3.0 Stand-by power supply interfaceColor: WhiteMaterial: PCWeight: 33gSize: 89 * 23.6 * 18.5mmCable Length: 0.24mTransmission speed: 350MB/SWhats is Box :USB HUBWhat the L..