Adopts Taiwan Tangming Terminus FE2.1 master control This chip is fast and compatible Added external 15PIN interface to increase USB power supply current The expansion card uses 2 high-performance solid-state capacitors, which greatly ensures the stability of USB power supply The expansion card is equipped with a bottom adhesive pad and can be glued inside the chassis for fixed use Product interface: USB2.0 9PIN Fully compatible with Universal Serial Bus Specification Revision 2.0 (USB 2.0) Port supports high speed (480MHz) and full speed (12MHz) modes 4 USB2.0 downstream ports, supporting high speed (480MHz), full speed (12MHz) and low speed (1.5MHz) modes Integrated USB 2.0 transceiver USB power output: up to 5V 1A (after using power) Built-in large 4PIN enhanced power-on interface Support USB -swap function Support XP/2003/Vista/win7/win8/2003/10 and above systems, etc Colour:Black Material:PCB Specification: IDE Package Contents: 1 x USB Extension Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.