Description
Quick answer: The FreeStyle Libre 2 Reader is a small handheld device that displays glucose data from a FreeStyle Libre 2 (or Libre 2 Plus) sensor. A painless one-second scan shows your current glucose reading, the last 8 hours of data, and a trend arrow – no fingerstick needed – and the reader supports optional real-time high/low alarms. It also doubles as a standalone blood glucose and ketone meter through its built-in test-strip port. Compatible only with FreeStyle Libre 2 sensors. A prescription is required.
What is the FreeStyle Libre 2 Reader?
The FreeStyle Libre 2 is a continuous (flash) glucose monitoring system: a sensor worn on the back of the upper arm measures glucose, and the reader displays the data. A one-second scan shows the current glucose reading, the latest 8 hours of glucose data, and a trend arrow showing whether levels are rising, falling, or changing slowly. The reader can scan through clothing, stores up to 90 days of glucose data, and has a backlit colour touchscreen you can read in the dark. Unlike scan-only systems, the Libre 2 reader can also deliver optional real-time alarms when glucose goes too high or too low.
Key features
- Painless one-second scan – current reading, 8-hour history, and trend arrow; no fingerstick.
- Optional real-time alarms – customizable high and low glucose alerts.
- Scans through clothing – capture data when held 1-4 cm from the sensor.
- Built-in meter – doubles as a standalone blood glucose and ketone meter via a test-strip port.
- Backlit color touchscreen – easy to read, even in the dark.
- Stores up to 90 days of data – with easy-to-read history graphs.
- Small and lightweight – about 95 × 60 × 16 mm, 65 g.
Specifications
| Specification | Detail |
|---|---|
| Product type | CGM reader (display device) |
| Reading method | 1-second scan (1–4 cm range) |
| Alarms | Optional real-time high/low |
| Built-in meter | Yes (blood glucose & ketone test strips) |
| Data storage | Up to 90 days |
| Screen | Backlit color touchscreen |
| Dimensions / weight | ~95 × 60 × 16 mm / 65 g |
| Compatibility | FreeStyle Libre 2 & Libre 2 Plus sensors only |
| Ages | 4+ (2+ with Libre 2 Plus sensor) |
| Prescription | Required (U.S.) |
Is it compatible with my sensor?
The Libre 2 Reader works only with FreeStyle Libre 2 and Libre 2 Plus sensors – it is not compatible with FreeStyle Libre 3. A compatible smartphone running the FreeStyle LibreLink app is an alternative to the reader; to use the phone, you start the sensor with the app. The FDA requires a prescription for the FreeStyle Libre 2 system.
Frequently asked questions
What does the reader do?
It scans your FreeStyle Libre 2 sensor and displays your current glucose reading, the last 8 hours of data, and a trend arrow, and it can sound optional high/low alarms.
Do I need the reader if I have a smartphone?
Not necessarily — the FreeStyle LibreLink app is an alternative. Many people use the reader as their main device or as a backup.
Which sensors does it work with?
FreeStyle Libre 2 and Libre 2 Plus sensors only. It does not work with FreeStyle Libre 3.
Can it test my blood glucose directly?
Yes — it has a built-in port for blood glucose and ketone test strips, so it doubles as a standalone meter.
Can I scan through clothing?
Yes — hold the reader within about 1–4 cm of the sensor, even over clothing.
Do I need a prescription?
Yes. In the U.S., the FreeStyle Libre 2 system requires a valid prescription.
Can I get it delivered in Brooklyn or shipped nationwide?
Yes — Stark Medical Supplies offers local pickup and delivery in Brooklyn and across NYC, plus FedEx shipping throughout the continental U.S.
This is a prescription medical device. Use it according to Abbott’s instructions for use and your healthcare provider’s guidance, and use a fingerstick if readings don’t match your symptoms.
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