Oak Leaf via Amazon offers the Oak Leaf Trifold 10x Lighted Makeup Mirror for $19.99. Coupon code "3N8NNWL3" drops it to $9.99. Plus, Prime members receive free shipping. That's tied with our mention from a month ago, $10 off, and the lowest price we've seen. It features 10x magnification, LED lighting, and 180-degree rotation. It can be powered by four AAA batteries (not included) or a USB cable (included). Deal ends August 31.