features:<br />1. usb 3.0 a male to female extension cable.<br />2.  transfer rate than the usb 2.0 version.<br />3. backwards compatible with usb 2.0， 1.1， 1.0.<br />4. fits for all the usb peripherals.<br /><br />5. material: plastic+metal<br />6. length:<br />- 0.5m/ 1.6ft<br />- 1m/ 3ft<br />- 1.5m/ 5ft<br />- 1.8m/ 6ft<br />-  3m/ 10ft<br />- 5m/ 16ft<br />7. color: blue<br /><br />package includes:<br />1 x usb 3.0 a male to a female extension cable<br />