Refurbished (Good) - Fitbit Sense Smartwatch with Amazon Alexa, Heart & Stress Management Tools - Lunar White

• EDA Scan app detects electrodermal activity for stress management, heart health, SpO2, calories burned, steps, sleep, skin temperature, and more

• High and low heart-rate notifications alert you if yours seems above or below your average

• On-wrist sensor logs your temperature each night so you can see how it varies

• Conveniently monitor your nightly blood oxygen levels at a glance with the collection of SpO2 clock faces and in the Fitbit app

• Compatible ECG app helps assess your heart for atrial fibrillation, a heart rhythm irregularity (note: availability outside the US pending applicable regulatory clearances; not intended for use by people under 22 years old)

• Built-in GPS allows you to track pace and distance on your runs and hikes, even without your phone

• Tracks calories burned, steps, distance, running, elevation, and sleep to help you reach your wellness goals

Functional, fashionable, and rugged

• Stainless steel case and a silicone band promise sleek style and long-lasting durability

• Illuminated AMOLED touchscreen display delivers exceptional visibility

• Water resistance to 50 metres keeps the watch safe while you're swimming or showering