Happy Tao via Amazon offers the Lumsing Bluetooth 4.0 Hands-Free Receiver Car Kit
for $19.99. Coupon code "GG85VYCF" cuts the price to $9.99
. Plus, Prime members receive free shipping
. That's the best deal today by $7 and tied with our May mention as the lowest price we've seen. Features include a built-in microphone, call/play button, compatibility with speech recognition applications (Siri, Google Now, Samsung S-Voice, etc.), and magnetic mount.