JACKBOOM BBY36-BT1 Upper Arm Blood Pressure Monitor, 5.5-inch LCD

JACKBOOM BBY36-BT1 is an automatic upper arm blood pressure monitor with a large LCD, voice readout, and separate memory for two users. Its large display and app syncing support routine home tracking, while the listing cautions against use by people with implanted pacemakers or defibrillators.

At a glance

The 5.5-inch LCD, large-number display and adjustable voice readout provide two ways to follow measurement results.
Separate local accounts store up to 250 readings each, with a guest mode that does not save measurements locally.
Bluetooth syncing to the MedM Health App is described as supporting trend views, reports and cloud storage.
The cuff is listed for 8.7–16.5-inch arms, and power options are 4 AA batteries or USB-C cord power. The cord does not charge an internal battery.

Price

$69.99Save 77%

Reference price: ~~$299.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Large LCD and voice readout may make results easier to access without relying on small screen text.
Two separate user memories and a non-saving guest mode suit shared household use.
Bluetooth app sync offers a route to review longer-term trends and share reports.
The adjustable cuff range and AA battery or cord power provide flexibility for home use and travel.

Cons

USB-C is cord power only, not a way to recharge the unit. The listing says there is no internal lithium battery.

Technical specifications

14 specifications

Identity
Brand	JACKBOOM

Display
Screen technology listed	LCD
Screen size	5.5"

Measurement and memory
Measurement type	Automatic upper arm blood pressure monitor
On-device user accounts	Two independent offline user accounts
Memory per user	Up to 250 readings
Cuff fit	8.7–16.5 in
Detection feature	Irregular heartbeat detection

Connectivity and power
App connectivity	Bluetooth
App	MedM Health App
Battery measurement claim	supports over 300 measurements
USB-C charging	The cord only powers the unit temporarily and cannot charge the monitor itself.

Dimensions and installation
Dimensions listed	7.5 x 2.08 x 4.05 inches; 2 pounds

Model
Model number	BBY36-BT1

What to know before buying

The listing says not to use the monitor if you have an implanted cardiac pacemaker or defibrillator. It also advises resting quietly for five minutes before measuring and following the manual, since posture, cuff position, mood and timing can affect readings.

Who is it for?

A good fit for

People who want a large-display upper arm monitor with spoken results for home measurements.
Two-person households that want separate local reading histories and an unsaved guest option.
Users who want Bluetooth syncing to an app for trend review and report sharing.

Less suited to

People with implanted cardiac pacemakers or defibrillators, based on the listing's explicit warning.
Buyers who need an internally rechargeable monitor or USB-C battery charging.

JACKBOOM BBY36-BT1 Upper Arm Blood Pressure Monitor, 5.5-inch LCD · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.9 / 5 · 23 ratings

5 stars97%97%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star3%3%

Customer feedback reports convenient regular home use, a screen that is easy to read, comfortable cuff fit and perceived accuracy. Those observations align with the listed large display, adjustable cuff and automatic measurements, but feedback does not establish clinical accuracy. Ratings are very positive overall but include a small share of one-star ratings, so experiences are not uniformly positive.

Positive themes

Customer feedback describes the screen as easy to read.
Customers report convenience and comfortable cuff fit for regular home use.
Customers report perceived accuracy.

Frequently asked questions

Does the monitor have a rechargeable battery?

No. The listing says there is no internal lithium battery. It can run on 4 AA batteries or temporary USB-C cord power, and the cord does not charge the unit.

What arm size does the cuff fit?

The listed adjustable upper arm cuff fits arms 8.7–16.5 inches.

Can two people keep separate readings?

The listing describes two independent offline user accounts, each storing up to 250 readings, plus a guest mode that does not save measurements locally.

Can someone with a pacemaker use this monitor?

The listing says it is not suitable for people with implanted cardiac pacemakers or defibrillators. Consult a clinician about an alternative.