Sengled USA via Amazon offers the Sengled Colored Bluetooth Speaker Smart Light Bulb for $49.99. Coupon code "30EESAYY" cuts the price to $34.99. With free shipping, that's $15 off list and tied with last month's mention as the lowest price we could find. It features auto sleep timer, app and Alexa control, and five preset color patterns. Deal ends July 14.