Continuous heart rate, blood oxygen and sleep tracking on a band light enough to forget you are wearing. Fourteen-day battery and over 100 workout modes.

Key specs • Display: 1.47in colour touchscreen • Tracking: heart rate, SpO2, sleep, 100+ workout modes • Battery: 14 days typical use • Water resistance: IP68 • Weight: 24g including strap

In the box Tracker, charging cable, instructions

UK notes Fourteen days is the real advantage over a smartwatch - most people stop wearing a watch they have to charge nightly.