... . OEM service is provided 1. 2 ports USB heater pad for promotion, USB Hub, computer hub, 2.0 hub, USB hub ... . with 2-8 ports. speed 480bmps.3. suitable for promotional gift, also convenient for travelling. 4.Supports Windows98, ME, 2000, NT, XP ... , Vista, Win7,Mac OS X, and Linux OS5. USB 1 ...