If your car has an AUX jack, but no Bluetooth, this $20 adapter has everything you need to stream phone calls and music wirelessly. We've posted several of these deals over the past few months, but $20 is one of the best prices we've ever seen. [TaoTronics Bluetooth 4.0 Receiver Hands-Free Car Kit, $20 with code EMAH3G3N]
Update: Promo code is expired, but they dropped the price from $3o to $25. Not quite as good as $20, but not bad.
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