Why I'm Obsessed With My Bluetooth Speaker Tumbler
I'm not usually one for gadgets that try to do too many things at once, but a bluetooth speaker tumbler is a weirdly perfect invention that I didn't know I needed until it was literally in my hand. Most of the time, when a product tries to be two things—like those pens that are also flashlights—it ends up being mediocre at both. But for some reason, putting a speaker on the bottom of a coffee mug or a water bottle just works. It's one of those things that sounds a little gimmicky at first, but once you start using it, you realize how much sense it makes. ...