ULTRA-SLIM METAL BODY WITH 3D CURVED BEZEL-LESS DESIGN: Zepp E Circle is equipped with pure black 3D curved bezel-less glass and polished stainless-steel back perfectly fused together, making the watch sleek and ultra-slim. With only 9 mm thickness, it’s exceptionally comfortable to wear day and night.
BLOOD OXYGEN SATURATION MEASUREMENT: SpO2 is an important indicator of health, especially in high-altitude and low-oxygen environments or while performing high-intensity sports. With Zepp E, you can measure your current blood-oxygen saturation instantly from your wrist.
SLEEP QUALITY MONITORING: Monitor light sleep, deep sleep, rapid eye movement (REM), and awake time. It also provides you a score on sleep quality and breathing quality. It even monitors your 20-minute nap during the day.

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Meet Fitbit Versa 2, a smartwatch that elevates every moment. Use your voice to create alarms, bedtime reminders or check the weather with Amazon Alexa. Take your look from the gym to the office with its modern and versatile design.
Use Amazon Alexa built-in to get quick news updates and information, check the weather, set timers and alarms, control your smart home devices and more all through the sound of your voice. Optimal Operating Temperature is -10° to 60° C.

Easy-to-use running watch monitors heart rate (this is not a medical device) at the wrist and uses GPS to track how far, how fast and where you’ve run
Battery life: up to 2 weeks in smartwatch mode; up to 20 hours in GPS mode
Plan your race day strategy with the PacePro feature (not compatible with on-device courses), which offers GPS-based pace guidance for a selected course or distance