Anker's Roav receiver on sale for $13 adds Bluetooth to your car

Link your smartphone to your car's speakers via Bluetooth with Anker's Roav Bluetooth receiver on sale for $12.99 with the code ROAVB2AN. Without the code, the receiver sells for around $16 and hasn't dropped from that price in several months.

This is a simple device that's just plug-and-play. All you have to do is connect to your car's aux-in port. The advanced CSR chipset gives you a stable wireless signal with superior sound. The Bluetooth works up to 33 feet away for like limousines and stuff... I guess. You'll also be able to receive calls and talk clearly thanks to the built-in mic with noise cancellation. The receiver is covered by a one-year warranty.