StarTech.com 4-Port KM Switch with Mouse Switching, USB Switch for Keyboard/Mouse, 3.5mm/USB Audio, Peripheral Sharing for 4 Computers, TAA Compliant. Keyboard port type: USB, Mouse port type: USB, Console ports: 3.5mm headphone, 3.5mm mic, USB A. Data transfer rate (max): 5 Gbit/s, Chipset: GL3523. Product colour: Black, Mean time between failures (MTBF): 156000 h. Input voltage: 100 - 240 V, Input current: 0.6 A, Output voltage: 12 V. Compliance certificates: RoHS, Trade Agreements Act (TAA)