Compatible with USB2.0 ADUM3160 isolation voltage: 2500V Power module isolation voltage: 1500V Supports USB full speed 12Mbps, does not support pure high-speed devices Support USB control transmission, batch transmission, interrupt transmission, synchronous/isochronous transmission Compatible with USB2.0, providing fully isolated 12Mbps data rate, 2500V isolation voltage, no external power supply, and no driver required. The timing, amplitude, direction, rate, and protocol of USB signals are extremely complex, so achieving magnetic isolation of USB signals is also a very complex technology. This model basically represents the highest level in the isolation field. Power supply:taken from the USB port of the computer host Due to different batches, the appearance, color and printed words of the product , which not affect the use. Colour:Transparent-Black Material:Plastic Package Contents: 1 * Isolator 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.