1. Magnet foot pad design, which install flexibly and repeatedly the bottom of case
2.
Port multiplier version: extend 9 pin USB 2.0 port to 4x 9 pin USB 2.0 ports
3.9 pin USB Header Male 1 to 4 Female Extension Cable Card Motherboard
4.9 -Pin USB 2.0 header to 4-Port USB 2.0 9-Pin header Hub with Additional Power and Magnetic base
5.5V LED indicator to show operation status