Fitbit Sense 2 FB521GLBM-US Advanced Fitness Smartwatch
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Product Condition
Product Condition
Product Details
Product Details
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 |
Shipping & Returns
Shipping & Returns
- Shipping: Most orders ship the same business day when you place your order before 4pm MT.
- 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.
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