Smartwatches and Fitness Trackers: How They Track Your Heart, and How to Choose
How wrist sensors work, smartwatches versus fitness trackers, accuracy, features and how to choose.
Read Article →Category: Learn
Smart Rings: A Complete Guide to Ring-Based Heart Rate and Sleep Tracking
How smart rings track heart rate and sleep, sizing, subscriptions and who they suit.
Read Article →Chest Strap Heart Rate Monitors: The Complete Guide to ECG Accuracy for Training
How ECG straps work, accuracy, connectivity, fit, battery and care for serious training.
Read Article →Armband and Optical HR Sensors: A Comfortable Way to Track Heart Rate in Training
How armband optical sensors work, forearm versus upper arm, accuracy and how to choose.
Read Article →Pulse Oximeters: How They Work, What the Numbers Mean and How to Choose One
How fingertip oximeters work, normal readings, sources of error and how to choose.
Read Article →Blood Pressure Monitors: A Complete Guide to Accurate Home Readings
How home monitors work, what readings mean, cuff size, technique and how to choose.
Read Article →ECG and Wellness Devices: What Home ECG Can and Cannot Tell You
How home ECG works, device types, what results mean, limits and false alarms, and how to choose.
Read Article →