Meet the Cork: a smart little gadget that combines with any bottle you have around to play your music. The device works as a Bluetooth speaker, so you can connect to it from your smartphone, tablet, or laptop. It has an output of 1.7W. Its battery lasts you up to 12 hours depending on how loud you play your music.
The Cork speaker weighs only 100g and doesn’t take a whole lot of space.[where to find it]