Macworld If you’re looking to upgrade your tablet experience, our comeback to Prime, Deal Days, has the perfect deal on a refurbished iPad Air with renewed Beats Flex headphones. But you’ll need to act fast because quantities are limited and once it sells out, it’s gone. In addition to a grade-A rated refurbished iPad, meaning this 2013 model year Air is in excellent condition, and renewed Beats Flex that have been inspected, cleaned, and repackaged in the original box, you also get a case, stylus, screen protector, charging cable and charger. Between the iPad Air’s A7 chip and the Beats W1 chip synced to iCloud, you’ll have a workhorse device for playing, streaming, and working right out of the box.…