| | Hubs:GR-771UB |
| Device type | Hi-Speed USB 2.0 HUB, 4 port |
| Interface | USB 2.0, Full compatibility USB 1.0, USB 1.1 |
| Plug & Play | Yes |
| Length of the interface cable, mm | 150 |
| Power indicator | |
| Activity indicator | |
| Switch off USB port | |
| Power | by USB |
| Additional power | |
| Power Cable, USB-DC IN, cm | |
| Adapter | |
| Housing Material | aluminum alloy |
| Case color | Silver |
| Hub | 1 |
| Interface Cable USB2.0 | |
| Power Cable, USB-DC IN, cm | |
| Adapter | |
| User Manual / Warranty Card | 1 |
| EAN13: | 4894198505104 |
| Height, mm | 12 |
| Width, mm | 120 |
| Depth, mm | 40 |
| Net weight, gr | 57 |
| Type of packaging | carton box |
| Packing height, mm | 165 |
| Packing width, mm | 70 |
| Packing depth, mm | 13 |
| Package gross weight, gr | 72 |
| Quantity of consumer packages, pcs | 100 |
| ITF14: | |
| Height of the box, cm | 15.5 |
| Width of the box, cm | 28.5 |
| Box depth, cm | 39.5 |
| Box gross weight, kg | 7.9 |
| Net weight of the box, kg | 7.77 |
| Controller Hub | |
| Operating system | Windows 10/7/8Vista, Mac OS, Linux OS |
| Software and Drivers | No |
| Сompatibility | Compatibly with all computers with USB port |
| Case color | Silver |
| Interface | USB 2.0, Full compatibility USB 1.0, USB 1.1 |