Beurer BM 81 easyLock Upper Arm Blood Pressure Monitor

The Beurer BM 81 easyLock is an upper-arm blood pressure monitor with an integrated, cable-free cuff and twist-lock fastening. It starts measuring during inflation and can transfer readings by Bluetooth to the beurer HealthManager Pro app, with synchronisation to Apple Health, Samsung Health and Health Connect listed.

At a glance

Integrated upper-arm cuff closes with a twist lock, avoiding a separate tube and cable during use.
Measurement begins while the cuff inflates, and the device determines the required inflation level automatically, according to the listing.
Bluetooth transfer to the beurer HealthManager Pro app is listed, with synchronisation options for Apple Health, Samsung Health and Health Connect.
The listing describes a colour-coded reading indicator based on WHO standards and clinical validation based on the latest European Society for Hypertension.

Price

£84.99Save 15%

Reference price: ~~£99.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Integrated cuff and twist-lock design may simplify fitting compared with a separate hose-connected cuff.
App transfer and named health-platform synchronisation offer options for keeping readings alongside other health data.
The listed cuff range of 24-40 cm gives a clear circumference range to compare against the intended user's arm.

Cons

App-based tracking depends on using a compatible phone and the listed app or supported health platform.

Technical specifications

9 specifications

Identity
Brand	Beurer
Model	BM 81 easyLock

Display
Screen technology listed	LED

Power
Power configuration	Battery Powered

Dimensions and weight
Dimensions listed	14.3 x 9.1 x 2.2 cm; 900 g
Weight listed	900 Grams

Cuff and intended user
Cuff circumference range	24-40 cm
Age range	Adult
Measurement site	Arm

What to know before buying

Listing details to confirm

The listing gives both an item weight of 900 Grams and dimensions ending in 900 g, alongside a separate specification of 14.3 x 9.1 x 2.2 cm. It describes the cuff as Medium and gives a band size of 40 centimeters, while the manufacturer feature text specifies a 24-40 cm cuff range. Confirm the fit and exact product dimensions against the selected listing before purchase. The listing's clinical-validation wording is a manufacturer claim, not an independent assessment here.

What’s in the box

Included

Cuff

Who is it for?

A good fit for

People seeking an upper-arm monitor with an integrated, cable-free cuff and twist-lock fitting.
Users who want Bluetooth transfer to a health app and listed synchronisation with Apple Health, Samsung Health or Health Connect.
Buyers whose upper-arm circumference falls within the stated 24-40 cm cuff range.

Less suited to

People who need a cuff that fits outside the stated 24-40 cm range.
Buyers who do not want to use a smartphone app but require automatic digital tracking.

Beurer BM 81 easyLock Upper Arm Blood Pressure Monitor · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 1,030 ratings

5 stars60%60%
4 stars16%16%
3 stars10%10%
2 stars5%5%
1 star9%9%

Customer feedback highlights good perceived quality and ease of use, while accuracy and reliability receive mixed feedback. Some customers say it works well, while others report that it stopped working after one week. The twist-lock cuff and app-transfer features may make routine use more convenient, but customer comments do not establish measurement accuracy or guarantee long-term reliability.

Positive themes

Customers describe the monitor as good quality and easy to use.

Mixed feedback

Accuracy and reliability receive mixed feedback, including reports that the monitor stopped working after one week.

Frequently asked questions

What arm circumference does the cuff fit?

The manufacturer feature text states a cuff range of 24-40 cm. The listing also calls it Medium and gives a band size of 40 centimeters, so confirm fit if your measurement is near either limit.

Can it send readings to a phone?

The listing says measurements transfer via Bluetooth to the beurer HealthManager Pro app. It also lists synchronisation with Apple Health, Samsung Health and Health Connect.

Does the monitor use a separate tube or cable?

The product description presents an integrated cuff with a twist lock and describes cable-free use.

What is stated about clinical validation?

The listing claims clinical validation based on the latest European Society for Hypertension. This is a manufacturer claim and is not independently verified here.