Amazon updates Echo Frames to make it easier to save battery and make calls

The existing tortoiseshell color is also getting new lens options, like sunglass. | Image: Amazon Amazon's Echo Frames, the Alexa-enabled eyeglasses equipped with tiny speakers and microphones, are getting updated with new quality-of-life features like an automatic power-saving sleep mode and a shortcut to quickly phone a contact of your choosing. There are also new gray and blue colors releasing November 10th for $249.99 which, along with the existing tortoiseshell frames, will be available wit...