1A4B 4 PORT USB SWITCH

functions
1. 100% brand new and high quality.
2. Surface material: metal
3. No external power required
4. No software installation required
5. Compatible with USB 1.1 and USB 2.0
6. Cost effective for small businesses and households to manage the network layout
7. You can share your USB device as a printer or scanner with up to 4 computers
8. Share a USB device between four computers without manually changing cables
9. Button-shaped buttons switch displayed on the front of the switch for each access to switch from computer to computer