This Royal Purple radiator additive has solid customer reviews, and claims to maintain a cleaner system and extend the life of your water pump. $10 is the lowest price Amazon has ever offered on a bottle. [Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive, $10]

Advance Auto Parts offers a lot of coupons, but this is one of their better ones. 35% off orders of $50 or more, with total savings up to $50. Just use code WD32 at checkout. [ Get 35% off orders over $50 at Advance Auto Parts with Code WD32]

We shared a Dustbuster deal over the last few days, but this is an honest-to-goodness vacuum cleaner. In fact, it's Amazon's #1 selling handheld vacuum, presumably thanks to its excellent suction power, lithium ion battery, and pivoting head. [Black+Decker MAX Lithium Pivot Handheld Vacuum, $68]

Obviously, the footage you get from this action cam won't look as good as a GoPro, but for $55 shipped, it has surprisingly good reviews. [nabi Square HD Rugged 1080p Action Camcorder, $55]

We've featured several Bluetooth receiver dongles here in the past, but this one can act as a transmitter as well. So if you have any old iPods or record players, just plug this into the headphone jack, and you can beam it wirelessly around your house. [iClever IC-BTT02 Wireless Portable Bluetooth Stereo Music Transmitter and Receiver, $30 with promo code QUTA6LIG]

This flashlight features Cree LED bulbs, and charges over USB. Oh, and it can also act as an external battery for your phone in a pinch. [ LOFTEK Portable Torch Light With Power Bank for Charging Devices, $13 with promo code YVAM9V5B]

After a huge number of nominations, we have your five choices for Best Headphones. Be sure to go vote for your favorite !

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