... speed 480bpm 4. with blister package 5. OEM service is provided 1. USB hub with pencil holder, USB Hub, computer hub, ... 2.0 hub, USB hub, 2 ports hub ... hub, 8 ports hub, USB 2.0 hub, with nice and sole design.2. with 2-8 ports. speed ... , NT, XP, Vista, Win7,Mac OS X, and Linux OS5. USB 1.1 or USB 2.06.Support plug and play7. ...