Reloj Inteligente Fitbit Sense Advanced Health Plateado Reac

Descripción

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. - EDA Scan app detects electrodermal activity which may indicate your bodys response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies - With a compatible ECG app right on your wrist, assess your heart for atrial fibrillation a heart rhythm irregularity-- and easily share results with your doctor (FDA review of ECG app pending; Only available in U.S. upon clearance. Availability outside the U.S. pending applicable regulatory clearances. Not intended for use by people under 22 years old) - An on-wrist skin temperature sensor tracks yours each night so you can see how it varies - Personalized health & fitness guidance with a free 6-month trial of Fitbit Premium for new Premium users (New Premium users only. Must activate with device. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees) - High & low heart rate notifications alert you if yours seems above or below your average