High-Tech Peephole, Smart Bra, and Other Interesting Gadgets at CES 2019 - Gadgets 360

High-Tech Peephole, Smart Bra, and Other Interesting Gadgets at CES 2019  Gadgets 360Ring, North, and Roma are showcasing some cool new gadgets at CES 2019, including an Internet-connected video doorbell, smart glasses and a smart bra.