Smart Watch - the ultimate smartphone accessory. Tells the time, but can also track activity, heartrate and monitor sleep patterns.

Smart Watch, Fitness Tracker 1.69" Touch Screen Fitness Watch with Heart Rate Sleep Monitor, Step Counter Smart Watch for Men Women Activity Trackers IP68...
4.0
Amazon.co.uk

Popglory Smart Watch Answer/Make Calls, 1.85" Smartwatch and Voice Assistant & Notification, Fitness Watch with Blood Pressure/Oxygen/Heart Rate Monitor for...
4.0
Amazon.co.uk

AcclaFit Smart Watch Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure and Sleep Monitor, Full Touch 5 ATM Waterproof Smartwatch, Step...
4.0
Amazon.co.uk