US model overview

Zacurate 500E-B White with Bluetooth

White fingertip pulse oximeter with an OLED display and Beyond Oximeter connectivity.

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How to identify the white 500E-B

Look for 500E-B on the packaging and confirm the white finish. The US listing for this version describes an OLED screen and Bluetooth.

Model and color: White Zacurate 500E-B.
Display: OLED with SpO₂, pulse rate, PI, and waveform in the reviewed US listing.
Connectivity: Bluetooth with Beyond Oximeter in the listing for this model.

What the screen shows

The listing identifies estimated oxygen saturation, pulse rate, PI, and a pulse waveform. Check the numbers and signal while your finger stays still. What the perfusion index means

Keeping a record with Beyond Oximeter

The listing names Beyond Oximeter as the compatible app. Check that the app is available on your phone before ordering, then review what the unit’s instructions say about saving readings.

White 500E-B or blue 500B-B

The blue Zacurate 500B-B is a different model. Compare the screen and package contents against the instructions for the version you choose.

Spot checks and intended use

Follow the instructions for finger fit and wait for the display to settle. If you need a longer session, compare devices that specify how much data they can record away from the phone.

What to check before buying

Check the Amazon.com listing for Zacurate 500E-B White with Bluetooth and the exact variant before ordering. Delivery and availability depend on the offer and your ZIP code.