Amazfit Gts 2 Mini

Monitoring your blood oxygen levels by intelligently monitoring your (spo2) blood oxygen levels. basic usage battery life: 21 days super-light weight body with only 19.5 grams, 8.95 mm thin body, comfortable to wear day & night and during sports activities. 1.55 amoled display with high 314 ppi resolution for a crystal clear image and sharp details. 70+ built-in sports modes and 5 atm water-resistance. 24h heart rate tracking, female cycle tracking, sleep quality monitoring, stress level monitoring and bio tracker 2 ppg. bluetooth music control directly from your watch while exercise without having to pull out your phone.