# CAZON Blood Pressure Monitor with 22-40cm Cuff, Blue

Source: https://www.ranked10.co.uk/fitness/best-blood-pressure-monitors/cazon-bsx516-blood-pressure-monitor
Ranked #8 in "Best Blood Pressure Monitors 2026: 10 Ranked, and Why the £159 Model Comes Last": https://www.ranked10.co.uk/fitness/best-blood-pressure-monitors

- Price: £20.99 (checked on Amazon UK on 2026-09-15)
- Amazon rating: 4.5 from 28,331 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B07Y6FH6XK?tag=ranked10-21

The CAZON BSX516 is an upper-arm blood pressure monitor with an adjustable 22–40 cm cuff, a two-user memory of 99 readings each, and an LCD screen showing systolic pressure, diastolic pressure, pulse rate, date, time and user ID. At £20.99 it is the cheapest monitor in this guide, and it places at number 8. Its position is not explained by its rating: 28,331 ratings at 4.5 is the largest base of any monitor collected here, and the breakdown behind it reads 75% five-star against 4% one-star — where the £159 monitor elsewhere in this guide carries a 14% one-star share.

The listing's own numbers are less tidy than that headline. The first bullet describes "this upper arm wrist blood pressure monitor", which is two different devices in one sentence; the spec table gives the power source as Battery Powered while the box contents state "No Battery & AC adapter"; and a separate field puts the band size at 32 centimetres, which does not sit inside the 22–40 cm cuff range quoted in the same listing. Amazon's rank field also calls it number 1 in Manual Arm Blood Pressure Monitors, while our guide places it at 8. Every figure on this page comes from the Amazon listing, not from any testing of our own.

## Specification

| Field | Value |
|---|---|
| Price | £20.99 |
| Rating | 4.5 out of 5, from 28,331 ratings |
| Rating split | 75% five-star, 4% one-star |
| Cuff range | 22–40 cm (8.7–15.7 in), adjustable with velcro |
| Memory | 2 users, up to 99 readings each, plus an average of the last 3 |
| Power source (as listed) | Battery Powered — box contents say "No Battery & AC adapter" |
| Band size (as listed) | 32 centimetres, against the listing's own 22–40 cm cuff range |
| Category rank (as listed) | 1 in Manual Arm Blood Pressure Monitors |

## Questions people ask

**How many readings does the CAZON BSX516 store?**

The listing says two users can each keep up to 99 measurements, and the display shows the average of the last three readings.

**Does the CAZON BSX516 come with batteries or a mains adapter?**

No. The package contents are listed as 1x blood pressure monitor, 1x arm cuff, 1x USB cable, 1x instruction manual, with "No Battery & AC adapter" stated in the same field.

**What arm size does the CAZON BSX516 cuff fit?**

The listing gives an adjustable 22–40 cm (8.7–15.7 in) large cuff, but a separate spec field states band size 32 centimetres, which does not match that range.

**How accurate does CAZON claim the BSX516 is?**

The listing quotes accuracy ranges of ±3 mmHg / ±0.4 kPa for blood pressure and ±5% for pulse rate.

**Is the CAZON BSX516 an upper arm monitor or a wrist monitor?**

The product title and the spec table both describe an upper arm monitor; the first bullet calls it an "upper arm wrist blood pressure monitor", which describes both types at once.

**What warranty comes with the CAZON BSX516?**

The listing states a 12-month manufacturer warranty.