The HonorBand Z1 is waterproof, acts as a
fitness tracker and a watch, and "with its large display and ample
memory, the honor Band supports caller display and allows you to read
messages and emails". It's a nifty little device. Check out more info
The Z1 records your activity data, monitors your sleep quality, and displays stand-up reminders after you have been sat down for a long period of time as well as incoming call notifications. It also features a smart alarm and can be used to decline incoming calls. The band comes with a number of watch faces that change the layout of the display.