Meet the DotPower: a HiFi stereo speaker for Echo Dot 3 that delivers 360-degree sound in your home. It has a built-in rechargeable battery, so you can use Alexa to make calls and play music anywhere. To get started, simply drop your Echo Dot in, attach the cords, and you are ready to go.
DotPower simply turns your Echo Dot 3 into a portable smart speaker. It has a 5200mAh battery that lasts up to 10 hours. You can find this project on Kickstarter at this time.[where to get it]