Sengled via Amazon offers the Sengled Dimmable LED Bulb with Built-In Bluetooth Speaker for $29.99. Coupon code "507QL8LX" cuts it to $14.99. With free shipping, that's tied with last month's mention, and the lowest price we could find by $15. It's app controlled and features dual 1.07" high-fidelity JBL speakers. Deal ends June 19.