I swapped my Apple Watch with a the Amazfit helio strap — here’s what happened - I wore the Helio Strap nearly 24/7 for three ...
Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.
For most, the best home workout devices are those that help you exercise effectively while saving both time and space. When it comes to core workouts, a pair of ab straps can help achieve fitness ...