100% brand new and high quality This product is easy to use With the switch, Plug and Play Can fit on RCD510 / RCD310 / RCD300 / RNS315 Note: Before buying please confirm your RCD510 / RCD310 / RCD300 / RNS315 have the Installation Position.And ensure your radio USB and AUX function has been activated USB connecting wire length:Approx.146cm/57.48'' AUX connecting wire length:Approx.134cm/52.75'' Color: Black, As pictures Quantity: 1 Set Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!