Xiaomi is one step ahead: #1 wearable brand in the world. New mi band 7 is another big step forward. 1.62" amoled display, high res 192x490 and up to 500 nits brightness. Big improvements upon mi band 6: 1.52", 152x486 and 450 nits. 120 fitness modes vs 30 fitness modes on mi band 6! Battery capacity incresed from 125mah on mi band 6 to now 180 mah. Charging time about 2 hours. 15 day battery life. Easily charge with magnetic snap on charger for your on-the-go lifestyle. New blood oxygen sensor + 24hr heart rate monitoring. Track 120 different activities. Improved sensor technology and bluetooth 5.2. Many more other features: stopwatch/alarm clock/timer/find my phone/phone unlock/event reminder/do not disturb mode/lock screen/music control on band/easily charged with magnetic charging pins/remote control the photo camera/female health monitor /blood oxygen and more