Happy Tao via Amazon offers the Lumsing Bluetooth 4.0 Handsfree Car Kit Receiver
, model no. OS879-13893, for $19.99. Coupon code "DATFQT22" cuts that to $11.99
. Plus, Prime members bag free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, it costs an extra $5.99.) That's the lowest total price we could find by $4 and the best deal we've seen. It features Bluetooth 4.0 with aptX, one call/play button, and echo/noise cancellation. Deal ends January 30.