Wireless Bluetooth FM Transmitter w/ USB Charger $12 at Amazon
Amazon has the Otium T10 Wireless Bluetooth FM Radio Adapter Audio Receiver Car Kit with USB Charger for $18 - $6 off with coupon code
D935MEDS at final checkout =
$12 with free shipping on $25+ or with Prime. Has a 1.44" LED screen and has a built-in microphone for hands-free talking.
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