# Oklar C02 Upper-Arm Blood Pressure Monitor

The Oklar C02 upper-arm blood pressure monitor is a one-button home device with a backlit LED display and memory for two users. It runs on three AA batteries or the included Type-C cable, but it is not rechargeable.

- [Original product page](https://best-deals.pro/product/oklar-c02-upper-arm-blood-pressure-monitor-b0f9jls8ds)
- [View offer](https://best-deals.pro/visit/oklar-c02-upper-arm-blood-pressure-monitor-b0f9jls8ds)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Oklar
- Model: C02
- Category: Beauty & Health > Health & Medical Care > Health Monitors
- Price: 20.94 USD
- Previous price: 23.99 USD
- Discount: 13%
- Price checked: 2026-11-12T11:02:51.255Z
- Rating: 4.3 / 5
- Reviews: 14495

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

- Stores up to 240 readings across two users, with 120 readings per user.
- The backlit LED display and single-button controls are designed for quick, straightforward use.
- Choose between three AA batteries and Type-C cable power. The unit does not recharge batteries.
- The cuff is listed for upper arms measuring 22–40 cm.

## Pros

- Two separate user memory records can help keep household readings organized.
- A backlit display with clear digits may be easier to read than a dim, unlit screen.
- Battery or cable power gives a choice between portable use and a wired setup.

## Cons

- The device is not rechargeable, so battery use requires separately supplied AA batteries.
- Its stated cuff range ends at 40 cm, limiting fit for larger upper arms.

## Specifications

### Identity
- Brand: Shenzhen Jamr Technology Co., Ltd.
- Model: C02
- Color: White
### Measurements and memory
- Users and stored readings: Supports two users, storing 120 readings per user
- Upper-arm cuff range: 8.7 - 15.7 inches \(22-40 cm\)
### Power and operation
- Power options: 3AA batteries or a Type-C interface
- Rechargeable: This product is not rechargeable
### Display and measurement
- Display: backlit LED screen with clear digits
- Operation: one-button operation
- Claimed reading time: within 1 minute
### Dimensions and installation
- Dimensions listed: 4.96 x 3.34 x 1.1 inches; 11.64 ounces

## Before you buy

- For cable operation without batteries, the listing specifies use of the provided Type-C cable. The cable powers the monitor and does not charge batteries. For measurements, the listing advises sitting with feet flat, supporting the arm at heart level, staying still and silent, and waiting at least three minutes between readings.

## A good fit for

- People seeking a simple upper-arm monitor for home tracking.
- Two-person households that want separate stored readings.
- Users whose upper-arm circumference is within the stated 22–40 cm cuff range.
- People who prefer a large backlit display and one-button operation.

## Less suited to

- People who need a rechargeable monitor or batteries included.
- People whose upper-arm circumference exceeds the stated 40 cm maximum.

## Customer feedback

Customer feedback highlights readable digits, portability, quick readings, and usefulness for routine tracking. Accuracy and battery experience are mixed, with reports ranging from accurate readings to inconsistent results and low-battery warnings. Those concerns matter for a monitor intended for repeated home checks. The product listing describes battery or cable power and explicitly says it is not rechargeable, so customer mentions of a rechargeable feature do not match the stated configuration.
- Positive themes: Customers describe the display as easy to read and the monitor as portable for travel.
- Positive themes: Customers report quick readings and appreciate it for daily tracking.
- Mixed feedback: Customer feedback is mixed on accuracy, including reports of inconsistent readings.
- Mixed feedback: Feedback is mixed on battery experience, including reports of low-battery warnings.

## Frequently asked questions

### Does the Oklar C02 recharge?
No. The listing says it is not rechargeable. It can run on three AA batteries or a Type-C cable, which powers the device but does not charge batteries.
### Are batteries included?
The listing says batteries are not included. For battery-free operation, it specifies using the provided Type-C cable.
### How many readings can it store?
The listing states it stores up to 240 readings, with 120 assigned to each of two users.
### What cuff size does it fit?
The stated upper-arm range is 22–40 cm, also listed as 8.7–15.7 inches.

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## Images

![Oklar C02 Upper-Arm Blood Pressure Monitor — 1](https://best-deals.pro/i/OgLXBXZWckiP2R_yH0KUnQdm5UvIe_tPFaA1660MPc8tfOAf6iQdnZpGw5WTLaYEq0G-RGr4YqtPkUrMEso-KVcErzeKMGJHrHdovS11d6JDmKjPbydlfWW-.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 2](https://best-deals.pro/i/V93O1hp2uxY1-xzbLjd6ZKqjMiIeFawlSv51dMZoV4hzUAOHwy_2YX-klFS1K3-g264XI9v3zX5JfCK2NilWt-hV_pKTu3nnilnuuQfc0kxblnLL2w0BzZZj.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 3](https://best-deals.pro/i/DbuCA3CsGmSukpo032Vna_llRbeIk5XQVS2l19_5DpzPLuLyoPtnowNDIjopcoxfufDG1c1mUspLEytDj4Uzhp_k6Yx0KsC0WQlJlp-U6FnSIIkDSQJDhShO.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 4](https://best-deals.pro/i/HhFzfDMglW68ROyz_5khKSaomVik_cPFstOxzIGnMY-_Qgs_g-Jcmx9FqdGFgqyBZWI6Vsb0a-JfUzn86lPbgQ9Kj-Agd3vSW92Z1MybhJfKPS_aCBLwvaM8.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 5](https://best-deals.pro/i/ZJ40y3mXb93xTGXthyPPB50qgnKBq1Irs0O1s61ExOD1YUE_YCqzGyKrSo0DmNBYHbRVeSlyhclaKTgU37Mrk4Ve6CZoMzaykeX2EG9BRgvQQvumVy-kVdED.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 6](https://best-deals.pro/i/eAyLWLuBznCkOjjRxQcqUGj9d7op_c6Kw-d-HyZIOrXuV80u2gLDu9zHbckpv93VyhSVR7J7PH41Trvbq45E0nUBw-xmKTXmgoOGnM4YR4RAD7bKrdZHiBQ4.jpg)

![Oklar C02 Upper-Arm Blood Pressure Monitor — 7](https://best-deals.pro/i/FCXbfkPrrJcwhI-DwNa32z3SMCViV9BMjZUYYBrQ-fBDXxwjaEF6bH-1HHrKcNdVHTSUOlmawFlgkGuhjbMWyR2IYwDYPn859K7N1exE5JYEduvj_EJnYmXR.jpg)