Oklar C05T Bluetooth Upper-Arm Blood Pressure Monitor

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Product guide

Oklar C05T Bluetooth Upper-Arm Blood Pressure Monitor

The Oklar C05T is an upper-arm blood pressure monitor with Bluetooth syncing, two-user memory, and battery or USB-C cable power. Its phone-based app adds automatic timestamps and trend tracking, while the device itself does not display the time.

At a glance

Syncs readings to the companion app and supports trend charts, data export, and sharing.
The cuff is specified for arm circumferences from 8.7 to 16.5 inches, with a positioning self-check feature.
Two user profiles share storage for 240 reading sets, with readings categorized by user.
Use 3 AA batteries or cable power through the Type-C port. The device is not rechargeable.
The backlit display is intended to improve visibility in low light, and the monitor shuts off after 60 seconds of inactivity.

Price

$23.98Save 17%

Reference price: ~~$28.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

App syncing and trend charts can help users keep a longer-term record and share readings.
Two-user categorization and 240 stored reading sets support tracking in a shared household.
Battery and cable power options allow use away from a power source or plugged in at home.
The backlit display and oversized numbers are useful when reading the screen in dim conditions.

Cons

The monitor does not show the time or allow manual date and time setting. Timestamps are supplied through the app.
Phone pairing and automatic timestamps depend on using the MedM Health app, rather than a phone's built-in Bluetooth or health app.

Technical specifications

15 specifications

Identity
Brand	Shenzhen Jamr Technology Co., Ltd.
Model	C05T
Product type	Upper arm blood pressure monitor

Measurement and fit
Cuff arm circumference	8.7 to 16.5 inches
Positioning aid	Self-check function to guide proper positioning

Memory and connectivity
User profiles	Two users
Stored readings	240 sets of readings for two users
Bluetooth and app	Compatible for iOS & Android Systems
App pairing requirement	The device is designed to work exclusively with the MedM Health app.

Power and display
Battery power	3 AA batteries
Cable power	Type-C port
Rechargeable	non-rechargeable
Display	Large backlit screen with oversized numbers
Automatic shutoff	60 seconds of inactivity

Dimensions and installation
Dimensions listed	4.5 x 3.92 x 1.79 inches; 13.76 ounces

What to know before buying

Listing details to confirm

The listing describes three AA batteries as a power option and says batteries are not included. Its app instructions say to use the included Type-C cable for plug-in power, while another feature says an adapter is not included. Cable inclusion is therefore unclear. Do not install batteries while using the cable. The monitor is non-rechargeable, and timestamps require Bluetooth pairing with the MedM Health app.

Who is it for?

A good fit for

Households where two people want separately categorized stored readings.
Buyers who want to transfer readings to an app for trends, export, or sharing.
Users who need a cuff listed for arm circumferences from 8.7 to 16.5 inches.
People who prefer a backlit display and the choice of battery or cable power.

Less suited to

Buyers who need a rechargeable monitor or want to use an app other than MedM Health.
Users who need the monitor itself to display date and time without a paired phone.

Oklar C05T Bluetooth Upper-Arm Blood Pressure Monitor · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 268 ratings

5 stars72%72%
4 stars11%11%
3 stars5%5%
2 stars4%4%
1 star8%8%

Customer feedback reports ease of use, reliability, and a helpful app, but also mentions syncing problems. Opinions about accuracy and value are mixed. For buyers relying on the C05T's Bluetooth transfer and app-based timestamps, reported connectivity concerns matter, and differing accuracy opinions are a reason not to treat listing claims as a substitute for personal medical guidance.

Positive themes

Customers report that the monitor is easy to use and reliable.
Some customers appreciate the app's tracking features and report straightforward phone connectivity.

Negative themes

Some customers report syncing issues.

Mixed feedback

Customer opinions on accuracy and value for money are mixed.

Frequently asked questions

Which app does the Oklar C05T use?

The listing specifies the MedM Health app and says the monitor is designed to work exclusively with it. Pair the device through the app before first use.

Does the monitor show the date and time?

No. The device has no manual date or time setting and does not show time on its screen. The app adds timestamps via Bluetooth.

Can it run on batteries or cable power?

The listing specifies 3 AA batteries or power through the Type-C port. It says the monitor is non-rechargeable and warns not to install batteries while using the cable. Whether the cable is included is unclear.

How many readings can it store?

The listing claims storage for 240 reading sets for two users, with the readings categorized by user.

What arm size does the cuff fit?

The listed cuff range is 8.7 to 16.5 inches in arm circumference. Measure the intended user's arm and compare it with that range.