ELECOM USB 2.0 HUB 4-Port U2H-TAP1410BWH Functionality confirmed (simultaneous use of all 4 ports not confirmed) - Brand: ELECOM - Model Number: USB 2.0 - Number of Ports: 4 - Connector Type: USB A *There is yellowing and staining due to aging. *It has been stored at home for a long time after purchase. Please check the condition of the product in the photos. Please understand that this is a used item before purchasing. It will be placed in a plastic bag and shipped via Yu-Packet anonymous delivery. Thank you.