Description

This pre-owned or refurbished product has been professionally inspected and tested to work and seem like new. How a product becomes a 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 more recent or different model. That product is inspected and tested to work and seem like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If no longer satisfied with the acquisition, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

1.59in l x 1.59in w x 0.49in h. ECG, stress sensing and a skin temperature sensor. Get notifications for calls, texts, calendar events and apps like Gmail and Facebook plus send quick replies and voice replies right out of your wrist.
Compatibility: Apple iOS 12.2 or higher, Android OS 7.0 or higher, Syncing range: As much as 30ft, Music keep an eye on by way of Bluetooth Classic on Android and Bluetooth LE on iOS devices.
Built-in GPS + GLONASS, Speaker, Microphone, Multi-path optical heart rate sensor, IR sensors for oxygen saturation (SpO2) monitoring
Waterproof to 50 meters. Battery life As much as 6+ days. Heart rate tracking technology. Saves 7 days of detailed motion data minute by minute.
US Warranty. In Box: Fitbit Sense, Classic wristband (both small & large), Charging cable