# Keanor 331 Fingertip Pulse Oximeter with OLED Display

Keanor 331 is a fingertip pulse oximeter listed for SpO2 and pulse-rate readings. Its claimed four-way rotating OLED display shows a pulse bar and waveform, while one-button operation and included batteries suit straightforward home or travel monitoring.

- [Original product page](https://loonieperks.com/product/keanor-331-fingertip-pulse-oximeter)
- [View offer](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- Market: CA
- Language: en-CA
- Currency: CAD
- Brand: Keanor
- Model: 331
- Category: Beauty & Health > Health & Medical Care > Health Monitors
- Price: 18.99 CAD
- Previous price: 26.99 CAD
- Discount: 30%
- Price checked: 2026-11-12T20:38:24.360Z
- Rating: 4.6 / 5
- Reviews: 112

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing claims SpO2 and pulse-rate readings, alongside a pulse bar and plethysmograph waveform.
- A claimed four-way rotating OLED display is intended to make readings easier to view from different angles.
- One-button operation and automatic power-off are listed, with compact portable use described for home, gym or travel.
- The listing claims Health Canada licensing as a Class II medical device. This is a manufacturer claim, not independently verified here.

## Pros

- The waveform and pulse bar add visual context alongside the displayed readings.
- Included AAA batteries are stated, so the device is listed as ready to use without buying batteries separately.
- One-button operation may be useful for buyers seeking a simple interface.

## Specifications

### Identity
- Brand: Keanor
- Model: 331
- Colour: Black
### Display and readings
- Screen technology listed: OLED
- Displayed measurements and indicators: real-time SpO2, Pulse Rate, Pulse Bar, and Plethysmograph \(waveform\)
- Display orientation: 4-way rotating OLED screen
### Power and dimensions
- Batteries: 2 AAA batteries required. \(included\)
- Parcel dimensions and weight: 8.6 x 6.9 x 4.2 cm; 70 g

## Before you buy

- The listing describes SpO2 and pulse-rate measurement but supplies no measurement range, accuracy tolerance or detailed operating conditions. Treat its performance and regulatory statements as listing claims, not independent verification. This does not establish a product defect.

## A good fit for

- People seeking a simple fingertip monitor for at-home SpO2 and pulse-rate checks.
- Buyers who want an OLED display with a waveform and pulse bar.
- People who value a portable unit with batteries listed as included.

## Less suited to

- Buyers who need published measurement tolerances, ranges or detailed clinical-use specifications before choosing a monitor.
- People seeking a monitor with stated Bluetooth connectivity, app support or alarms, none of which are specified here.

## Customer feedback

Customer feedback describes the monitor as easy to use and set up, with positive perceptions of its functionality, speed and accuracy, as well as perceived value. These impressions may matter for routine checks using its listed SpO2 and pulse-rate display, but they do not establish measurement accuracy. Aggregate ratings are mostly five-star, with a smaller spread of lower ratings, and do not explain why customers differed.
- Positive themes: Customers describe the monitor as easy to use and set up.
- Positive themes: Customer feedback reports quick results and positive impressions of functionality and accuracy.
- Positive themes: Some customer feedback characterizes the purchase as good value.

## Frequently asked questions

### What readings does the Keanor 331 display?
The listing says it displays SpO2 and pulse rate, along with a pulse bar and plethysmograph waveform.
### Are batteries included?
The product details state that two AAA batteries are included.
### Does the display rotate?
The listing describes a four-way rotating OLED screen.
### Is the Health Canada licensing claim independently confirmed here?
No. The listing claims Health Canada licensing as a Class II medical device, but this information has not been independently verified here.

## Alternative options

- [Keanor Pulse Oximeter Oxygen Meter Finger Monitor Blood Oxygen Saturation \| SpO2 & heart rate pulse monitor with alarm & PI, Portable O2 meter for adults & kids, Batteries & lanyard included](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [LOOKEE LK50D1 Finger Pulse Oximeter, Proudly Canadian, Blood Oxygen Monitor \| Heart Rate, Auto-Rotating OLED, Pulse-Wave Graph, Batteries & Lanyard, Blue](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [Keanor Pulse Oximeter Oxygen Meter Finger Monitor Blood Oxygen Saturation \| SpO2 & Heart Rate Pulse Monitor with Alarm & PI, Portable O2 Meter for Adults & Kids, Batteries & Lanyard Included, Black](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [Pulse Oximeter Medical-Grade Bluetooth SpO2 Monitor \| ToronTek L12 \| Finger pulse oximeter \| Free app \| Heart rate monitor \| Alarm \| OLED display \| Case, batteries & lanyard \| Proudly Canadian](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [LOOKEE A320 Finger Pulse Oximeter & Heart Rate Monitor \| Proudly Canadian \| Blood Oxygen SpO2 Monitor with Alarm & PI, OLED Display, Batteries](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [Finger Pulse Oximeter, SpO2 and Pulse Rate Monitor, with User Manual and Lanyard \(SEQ-A2\)](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [Pulse Oximeter Finger Blood Oxygen Monitor \| OLED Display, For Adults and Children, Household Blood and Oxygen Machine](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [LOOKEE LK50D1 Finger Pulse Oximeter, Proudly Canadian, Blood Oxygen Monitor \| Heart Rate, Auto-Rotating OLED, Pulse-Wave Graph, Batteries & Lanyard, Orange](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)

## Add-ons

- [Viproud Forehead Thermometer for Adults & Kids, Accurate Results \(White\) \| 1s Fast Reading, Mute Mode, 3-color Alarm, 35 Memory Sets, ℃/℉ Switchable, Non-Contact, With a Soft Pouch & 2 AAA Batteries](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)
- [Alcarefam Pulse Oximeter, 4 Color TFT Display Oxygen Meter Finger Monitor \| Home SpO2 Blood Oxygen Saturation Monitor with Fast Reading & Heart Rate, Health Essential Equipment](https://loonieperks.com/visit/keanor-331-fingertip-pulse-oximeter)

## Images

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 1](https://loonieperks.com/i/qLHDMxttOk_NHSPVfVofddQU9_sy508lKDAkZFOzywAtSyJDKD3FId1H8iHsyYDczbUOaKzJBYzfg3iNvgeSYmTZVLluFKG2OkT5GLBBQJUukr22ehZZ_4CB.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 2](https://loonieperks.com/i/pDiiGQMRPKn582cKv__SScJJWHnBPNxy55HGI_B_i8i3VaFgGTNdKj5Hqs1eON-aw8DF481jxxKtLjnUnIHY70xxQZVfj8H1Vd7A-MLKRVhB5Stp45NzlQmf.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 3](https://loonieperks.com/i/D0XpaXn96ncDznrzvZ38Ej2W3Wv9CwUM_IxjyTkrtWQoGjbMNw49NEvXFolMs__wh-6QF1drSvz5oxMCUu2WoP7NEEpJGsb2QhvidUimPvNpG1gfcJ-UUlxh.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 4](https://loonieperks.com/i/bMvJOo9_5EXWS0tNZ2okoNDDEGZpJc5a6-V2JWCP3srgUyhYVCXnoSM15ttpNBFKU0Efodbsj8qW0N-oSoTYFnrIQvHUGodwmQlNppMsqsMlMdobbUw7X5dZ.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 5](https://loonieperks.com/i/0zVU3KrC4NB3_3N2fKQVB0LojwMurTbGyqD-tCOnfMq93dDZS0726qZxeoliFAMHMMadCx8DgWTIXpMjl95Mt9HSTOZM5I45rSU4YrDvqRPEoUtUYEZpkqs4.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 6](https://loonieperks.com/i/fGltH1FwwVudVqvGthdkRufy7fyAT0XzmvtEy2UY9YAy0j51NoaaxhVIX11SA4z2YvDziK5kIgfqeI8hxHw0qI2RrTSAYTu_M5-D2VyHnPjumo3b_MPdak-I.jpg)

![Keanor 331 Fingertip Pulse Oximeter with OLED Display — 7](https://loonieperks.com/i/lzHHps3Ifc3NJqr38_UBOGzUCzFd6rtk2PHBcKUuZHRZfAi_l8XHh1sNUly2sPGLdjBxEIiNbJ8hP0zm0GUFSHVFi5Ty50RGLikdekXqoo0mYvM4BGmf8kPN.jpg)