Groupon continues to offer the Beats by Dr. Dre Mixr On-Ear DJ Headphones in Pink for $89.99. Coupon code "VISA5" drops the price to $85.49. With free shipping, that's tied with our mention from two weeks ago as the best price we've seen. (It's also a current low for any color by $44.) Designed in collaboration with David Guetta, these folding headphones feature 40mm drivers, noise isolation, leatherette ear cushions, rotating ear cups, dual-input 3.5mm jacks, and an in-line control and mic cable. Deal ends February 18.