... . speed 480bpm 4. with blister package 5. OEM service is provided 1.flower designed 4 ports pen holder USB hub, USB Hub, computer hub ... , 2.0 hub, USB hub, 2 ports hub, 4 ports ... , 6 ports hub, 8 ports hub, USB 2.0 hub, with nice and sole design.2. with 2-8 ports. speed 480bmps.3 ...