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Microlife BP B4 AFIB BT · Photo source
Microlife · BP
BP B4 AFIB BT
An upper-arm monitor with Bluetooth transfer, two 99-reading memories and atrial fibrillation indication in its automatic three-measurement mode.
- Type
- Upper arm
- Users
- 2
- App
- Yes
- Validated
- –
Specifications
Report a wrong or missing specMeasuring
- Type
- Upper arm
- Irregular heartbeat detection
- Yes
- AFib detection or ECG
- Yes
- Method
- Automatic oscillometric upper-arm measurement during deflation; first on-sale date not established
- Accuracy
- Maker manual specifies static pressure accuracy of ±3 mmHg and pulse accuracy of ±5% of the readout value; this specification is distinct from clinical validation
- Clinical validation
- Microlife states clinical testing for several populations; exact independent registry confirmation for BP B4 AFIB BT was not established
- Features
- AFIBsens indication operates only in MAM mode and can be switched off separately for each user; separate irregular heartbeat warning, cuff fit and movement checks, classification scale and adjustable date/time
Cuff
- Cuff fits
- 22–42 cm
- Cuff
- Soft M–L upper-arm cuff
Connections and memory
- Users
- 2
- Readings stored
- 99 per user
- Bluetooth and app
- Yes
- Memory
- 99 readings per user and average of all stored readings; oldest reading is overwritten when full
- App
- Bluetooth 5.0 transfer to Microlife Connected Health+ on Android and iOS
- Power
- Four 1.5 V LR03 AAA batteries or optional DC 5 V, 1 A adaptor through USB-C; rechargeable batteries supported, USB-C supplies power rather than charging the batteries
Design
- Display details
- LCD showing pressure, pulse, user, date/time and stored-reading indicators
- Size
- 141 × 94.5 × 56 mm; maker weight 260 g including batteries
- In the box
- Monitor, soft 22–42 cm cuff, storage bag and instruction manual; maker product page additionally lists four AAA alkaline batteries and a blood pressure diary
Pros and cons
Pros
- Bluetooth transfer to Connected Health+
- Separate memories for two users
- Automatic three-measurement average
Cons
- Mains adaptor is optional
Closest rivals
Model | Type | Users | App | Validated | Released |
|---|---|---|---|---|---|
| Upper arm | 2 | Yes | – | – | |
| Upper arm | 2 | Yes | – | – | |
| Upper arm | – | Yes | Yes | 2019 |
Sources
- microlife.com/consumer-products/blood-pressure/upper-arm-automatic/bp-b4-afib-b…
- microlife.com/media/6303/download/IB%20BP%20B4%20AFIB%20BT%20EN-Master%202026-0…
Photo: microlife.com
- Microlife BP B4 AFIB BT angled with its folded cuff, exact official manual photograph with publisher-cropped cuff corner: microlife.com/media/6303/download/IB%20BP%20B4%20AFIB%20BT%20EN-Master%202026-0…