Fitbit Sense 2 FB521GLBM-US Advanced Fitness Smartwatch

Open Box products are in original manufacturer condition, include accessories, and most carry the manufacturer warranty. Manuals and software might not be included, but can usually be downloaded from the manufacturer. These items can be in the original manufacturer box or repackaged for protection during shipping.

Fitbit Sense 2 FB521GLBM-US Advanced Fitness Smartwatch - Blue Mist / Soft Gold Aluminum - AMOLED - 30 Feet Bluetooth Range - Accelerometer, Altimeter, Ambient Light Sensor, Electrical Heart Rate (ECG) Sensor

Get the quality and value you expect from a FitBit fitness water-resistant Smart Watch.

Model Number	FB521GLBM-US
Product Name	Fitbit Sense 2 FB521GLBM-US Advanced Fitness Smartwatch
Product Type	Smartwatch
Color	Blue Mist / Soft Gold Aluminum
Form Factor	Wristwatch
Band Material	Silicone
Case Material	Aluminum
Case Shape	Rounded Square
Band Type	Infinity
Display Screen	Yes
Screen Size	40.5 Millimeters
Touch Screen	Yes
Display Type	AMOLED
Color Display	Yes
Clock Display	Yes
Backlit Display	Yes
Adjustable Brightness	Yes
Customizable Watch Faces	Yes
Wireless Connectivity	Bluetooth
Maximum Wireless Range	30 Feet
Memory Retention	Saves 7 Days of Detailed Motion Data, Minute by Minute, Saves Daily Totals for the Last 30 Days, Stores Heart Rate Data at 1 Second Intervals During Exercise Tracking and at 5 Second Intervals all Other Times
Metrics Measured	Activity vs. inactivity, Altitude Changes, Blood Oxygen, Respiration Rate, Cadence, Calories Burned, Distance Swam, Distance Traveled, Duration of Exercise, Electrocardiography (ECG), Hours Slept, Laps Swam, Pace, Route, Duration of Sleep Stages, Running/Walking Speed, Steps Taken, Skin Temperature, Glucose
Multi-Sport Tracking	Yes
Sensors	Accelerometer, Altimeter, Ambient Light Sensor, Electrical Heart Rate (ECG) Sensor, Optical Heart Rate (PPG) Sensor, Pulse Oximeter (Sp02) Sensor, Temperature Sensor
GPS Enabled	Yes
Global Positioning	GPS, GLONASS
Mobile Notifications	Yes
Alert Type	Vibration, Visual
Silent Alarm	Yes
Built-In Microphone	Yes
Protective Qualities	Water Resistant, Dust Resistant
Maximum Depth of Water Resistance	164 Feet
Rechargeable	Yes
Charging Interface(s)	USB-A
Charge Time	1 Hours
Battery Chemistry	Lithium-polymer
Estimated Battery Life	144 Hours
Operating System Compatibility	Apple iOS 12.2 or Higher, Android OS 8.0 or Higher

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• Returns & Warranty: We have a 30 day return policy and for defective returns, Tech For Less will give you a full refund and will arrange for and pay all shipping costs. Most products have a Manufacturer warranty.