<ul><li>Body:&nbsp;46.5 x 47.3 x 11mm, 36.3 grams (without strap)</li><li>Strap:&nbsp;TPU (Ocean Blue, Space Black) / Silicone (Moon White), 160-220mm adjustable length</li><li>Display:&nbsp;1.43″ AMOLED screen, 450 nits (typ)</li><li>Resolution:&nbsp;466 x 466 pixels, 326 PPI</li><li>Frame:&nbsp;Glass fibre-reinforced polyamide, Metal bezel</li><li>Water Resistance:&nbsp;5 ATM waterproof (up to 50m)</li><li>Sensors:&nbsp;Accelerometer, Ambient light, Atmospheric, Geomagnetic, Gyroscope, Heart rate (with blood oxygen sensor)</li><li>Health Tracking:&nbsp;24-hour heart rate, SpO2 monitoring, Sleep, Stress tracking, Women’s health</li><li>Sports Mode:&nbsp;117 sports modes in total (including 19 professional modes)</li><li>Navigation:&nbsp;GPS, Glonass, Galileo, BDS, QZSS</li><li>Phone Calls:&nbsp;Yes (Built-in microphone, Speaker)</li><li>Battery:&nbsp;470mAh cell (Up to 12 days of endurance)</li><li>Connectivity:&nbsp;WiFi b/g/n (2.4GHz), Bluetooth 5.2</li><li>Companion App:&nbsp;Mi Fitness (<a href="https://play.google.com/store/apps/details?id=com.xiaomi.wearable&amp;hl=en&amp;gl=US" rel="noopener noreferrer" target="_blank" style="color: rgb(15, 93, 133);">Android</a>&nbsp;|&nbsp;<a href="https://apps.apple.com/us/app/xiaomi-wear-lite/id1493500777" rel="noopener noreferrer" target="_blank" style="color: rgb(15, 93, 133);">iOS</a>)</li></ul>

Xiaomi Mi S1 Active Smartwatch 1.43″ AMOLED display