Ocean Technology via Amazon offers the Unitek Aluminium Wireless Stereo Portable Bluetooth Speaker in several colors (Blue pictured) starting at $10.99. Coupon code "HZK3Z6EK" cuts the price of each to $4.99. With free shipping for Prime members, that's a buck under our mention from a month ago, at least $6 off, and the lowest price we could find. It features an auto-scan FM radio, microSD slot, and Bluetooth 4.0. Deal ends August 15.