Groupon offers the Aduro U-GRIP Universal Car Mount for Smartphones, model no. UNI-SPH01-CM, for $7.99 plus $2.99 for shipping. That's the lowest total price we could find by $9, although we saw it for a buck less two weeks ago. It features 360-degree rotation and compatibility with most smartphones, including the iPhone, Galaxy Note, and more. Deal ends July 27 at 12:59 am ET.