Here’s an inexpensive way to carry the Alexa digital assistant with you everywhere.
Amazon’s decision to design its second-generation Amazon Echo smart speaker with a removable sleeve makes the device customizable. But there’s a hidden feature I wasn’t aware of until I installed Ninety7’s Sky Tote Portable Battery Base: a set of electrical contacts tucked behind a rubber plug on the bottom of the speaker. These contacts enable the Echo 2 to draw power directly from the Sky Tote’s large battery, which is charged in turn by the AC adapter that comes with the Echo 2.
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https://www.techhive.com/article/3379536/ninety7-sky-tote-portable-battery-base-review.html
