Lenovo has launched its EGO digital smartwatch. It has a monochrome screen with night light mode, promises 20 days battery life, offers 24/7 heart-rate tracking, offers activity and scientific sleep monitoring, and is water resistant up to 50 meters so it can be used as a swim tracker. It also has smart features like remote camera and vibrating notifications along with alerts for phone calls, emails, text messages, and other social media apps.