Smart locks have a notable inconvenience: running out of power. Lockin, maker of vein-recognition locks, debuted its newest model on the CES floor. It charges wirelessly via an optical infrared beam w [...]
This year, over 4,000 exhibitors descended on Las Vegas, Nevada to showcase their wares at CES, and the Engadget team was out in full force. The week started with press conferences from the biggest co [...]