iOrange-E via Amazon offers the iOrange-E Universal Air Vent Car-Mount Cell Phone Holder in Black for $9.99. Coupon code "697PAVX3" cuts it to $5.99. Plus, Prime members receive free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.99.) That's $17 off list and the lowest total price we could find. It fits devices from 2" to 3.4" in width and features a 360° rotation.