The Shock Clock Max is an amazing concept! Makes sure you wake up on time with a zap, helps you build good habits and beak old ones with said zaps, heart rate monitor, step counter, time, date backlit display, well built, type c charging ( included with an adapter which is awesome!) and its comfortable. Then you may be asking why 3 stars? Well cause its just that, a great CONCEPT. Not all the features have been released yet( like wake up guarantees) and they have been hardware malfunctions like ...