Newegg has the Accessory Power GOgroove SMARTmini BT In-Car Bluetooth FM Transmitter (GG-SMARTMINI-BT) for $40 - $5 off with coupon code
24HRSALE808M [Exp 8/8] =
$35 with free shipping. Features charging port, articulating head and Bluetooth FM transmitter for music and hands-free calls.