1. Compatible with USB2.0. Isolation voltage of ADUM3160:2500V 2. Power module isolation voltage: 1500V. Support USB low speed 1.5mbps and full speed 12Mbps, not pure high-speed equipment 3. Support USB control transmission, batch transmission, interrupt transmission, synchronous/isochronous transmission. Power supply: from USB port of computer host 4. External power supply DC5v, with reverse connection protection. On-board output power of jinshengyang B0505S is 1x2W. When the total operating current of USB device is 400mA,External DC5V power supply is required 5. Drive free, support hot plug, plug and play. Each USB port is equipped with USB dedicated ESD protection chip. The output four USB ports are not isolated from each other, and each output channel is equipped with USB status indicator Material: PC+Metal colour: As Shown Package Contents: 2 x USB isolator 2 x Wire 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.