Amazfit Band 7 Activity Fitness Tracker, Always-on Display Smart Watch, Up to 18-Day Battery Life, 24H Heart Rate & SpO₂ Monitoring, 5 ATM Water Resistant, 120 Sports Modes, Alexa Built-in, Black

Large HD AMOLED Display :The large 1.47” display can fit more important information and reduce the scrolling. It is 112% viewable area increase compare to the Band 5. The HD full color AMOLED display with 282 PPI brings you a clear and gorgeous visual experience.
24H Blood-oxygen Monitoring: The Amazfit Band 7 advanced biosensor is able to automatically monitor your SpO₂ level 24 hours a day. The band will also send a reminder if it detects your SpO2 level is too low while in a non-sleep state. Alternatively, whenever you’re engaged in intense mental or physical activity, or even just feeling uneasy during your day, initiate a manual SpO2 test for a result in as little as 15 seconds.
Test 3 Health Metrics in 1 Tap: The Band 7 is able to quickly and conveniently measure three health indicators with one click (heart-rate, SpO₂ stress) as fast as 45 seconds.
120 Built-in Sports Modes: Large selection of 120 sports modes, providing useful exercise data such as distance, speed, heart rate, calories burned, etc. making your exercise more efficient. With automatic recognition of 4 sports, the users don’t need to manually open the sports modes, and can jump right into action.
18-day Battery Life: Say goodbye to daily recharge. When fully charged, the 232 mAh battery of the Amazfit Band 7 can last up to 18 days with a typical usage, and up to 12 days with a heavy use.
Alexa Built-in: With the Alexa Voice Assistant built-in for online voice commands, you can easily use Band 7 to ask Alexa questions, set alarms and timers, check the weather and more.