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FreeStyle Libre 3 Plus Sensor
The FreeStyle Libre 3 Plus Sensor is Abbott’s most advanced CGM sensor — offering real-time glucose readings every minute, optional high/low glucose alerts, and an extended wear time of up to 15 days. Reliable, discreet and pump-ready, it helps you track glucose continuously without frequent finger-sticks.
About this item
The FreeStyle Libre 3 Plus Sensor delivers continuous interstitial-fluid glucose monitoring with automatic, Bluetooth-enabled data transmission to a compatible smartphone app — no need for manual scanning. It’s slim, discreet, and designed to stay attached through daily activities including showering, exercise, and sleep.
With wearable life extended to up to 15 days, users get longer coverage per sensor.
It supports customizable glucose alerts (high / low / urgent-low), making glucose monitoring safer and more proactive.
This sensor is ideal for people with diabetes (type 1, type 2, or gestational) who want real-time glucose tracking, fewer disruptions, and added peace of mind — whether managing daily routine, insulin dosing, or anticipating glucose swings.
Important: Always follow Abbott’s insertion and usage instructions. If sensor readings do not match how you feel, verify with a blood glucose meter before making treatment decisions.
PRODUCT DETAILS
System Type: Continuous real-time glucose monitoring (automated Bluetooth transmission)
Glucose Measurement Frequency: Measures every minute; transmits automatically
Wear Duration: Up to 15 days
Indicated Age Range: 2 years and older (pediatric + adult)
Application Site: Back of the upper arm
Calibration: No routine fingerstick calibration required
Alert Features: High glucose, low glucose, urgent-low, and signal loss alerts
Reader/Display Compatibility: FreeStyle Libre 3 smartphone app (required)
Connectivity: Bluetooth-enabled direct-to-smartphone communication
Water Resistance: Suitable for normal water exposure including showering, exercise, and light swimming
Intended Use: Continuous glucose monitoring for diabetes management
| Feature | Dexcom G6 | Dexcom G7 | Libre 14-Day | Libre 2 | Libre 2 Plus | Libre 3 | Libre 3 Plus |
| Wear Duration | 10 days | 10 days + 12hr grace | 14 days | 14 days | 15 days | 14 days | 15 days |
| Real-Time Data (No Scan Needed) | ✔ Yes | ✔ Yes | ✖ No (scan required) | ✖ No (scan required) | ✖ No (scan required) | ✔ Yes (auto) | ✔ Yes (auto) |
| Alerts (High/Low/Urgent Low) | ✔ All alerts | ✔ All alerts | ✖ None | ✔ High/Low | ✔ High/Low/Urgent Low | ✔ All alerts | ✔ All alerts |
| Warm-Up Time | 2 hours | ~30 minutes | 12 hours | 1 hour | 1 hour | 1 hour | 1 hour |
| Accuracy (MARD) | ~9% | ~8% | ~9.4% | ~9.2% | ~9.2% | ~7.9% | ~7.9% |
| Age Indication | 2+ years | 2+ years | 18+ | 4+ years | 2+ years | 4+ years | 2+ years |
| Sensor Type | Single-use, disposable |
|---|---|
| Warm-Up Time | Standard initialization period before glucose readings begin |
| Wear Comfort | Slim, low-profile sensor for discreet use |
| Data Displayed | Real-time glucose, trend arrows, glucose history |
| Adhesive | Designed to last full wear duration |
| Packaging | Individually sealed sensor + applicator |
| Smartphone Compatibility | Device-dependent (check Abbott’s list) |
| SKU (Internal Use) | FL3-Plus-Sensor |
| Keywords | FreeStyle Libre 3 Plus Sensor, Continuous glucose monitor, CGM sensor 15 days, Real-time glucose readings, Flash glucose monitoring, Upper arm CGM, Pediatric CGM device, Adult CGM device, Water-resistant CGM, Continuous glucose tracking, Trend arrow glucose, Glucose pattern alerts, Fingerstick-free glucose, Glucose measurement every minute, Extended wear CGM, Diabetes management device, FreeStyle Libre 3 Plus mobile app, Compact CGM sensor, Slim CGM design, High/low glucose alerts, Urgent-low glucose alerts, Accurate glucose readings, Discreet CGM sensor, Home diabetes monitoring, Real-time blood sugar alerts, No calibration required, Easy sensor insertion, 15-day sensor life, Reliable glucose monitoring, Pediatric and adult CGM, Continuous insulin monitoring companion, Glucose data integration, Mobile app glucose reader, Diabetes tech device, Long-lasting CGM sensor, Safe glucose tracking, Continuous monitoring device, Smart diabetes device, Child-friendly CGM, Blood sugar monitoring tool, Real-time CGM system, Exercise-friendly CGM, Shower-safe sensor, Home glucose tracking system, Continuous sugar monitoring, Flash glucose reader compatible, App-free CGM monitor, Best CGM sensor 15 days, Diabetes care gadget, Blood sugar management, Advanced CGM technology |
3 reviews for FreeStyle Libre 3 Plus Sensor
4.67 out of 5 stars
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Chloe R. –
Comfortable and small, app could be improved
The sensor is tiny and unnoticeable most of the time. Data is accurate. The app sometimes drains battery, but otherwise this sensor is excellent.
Marcus J. –
Real-time alerts are very helpful
I love not having to scan anymore. The alerts come straight to my phone and help me catch highs and lows quickly. Great upgrade from my previous CGM.
Stephanie H. –
Excellent accuracy and longer wear time
The 15-day wear time is a huge improvement for me. The sensor stays on well, and the real-time updates make managing my levels much easier.