Microlife BP B4 AFIB BT vs Microlife BP B6 Connect

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BP B4 AFIB BT compared with BP B6 Connect

	MicrolifeBP B4 AFIB BT	MicrolifeBP B6 Connect
Overview
Released
Released	–	–
Measuring
Type
Type	Upper arm	Upper arm
Clinically validated
Clinically validated	–	Yes
Irregular heartbeat detection
Irregular heartbeat detection	Yes	Yes
AFib detection or ECG
AFib detection or ECG	Yes	Yes
Method
Method	Automatic oscillometric upper-arm measurement during deflation; first on-sale date not established	Automatic oscillometric upper-arm measurement; first on-sale date not established
Accuracy
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	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
Clinical validation	Microlife states clinical testing for several populations; exact independent registry confirmation for BP B4 AFIB BT was not established	STRIDE BP lists this exact model for adults and people with diabetes on approved equivalence to the Microlife BP B3 AFIB, with a validated 22–42 cm cuff; this is an equivalence listing rather than a separate direct validation trial of the B6 Connect
Features
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	AFIBsens atrial fibrillation indication in MAM mode, which takes three measurements; separate irregular heartbeat indication, cuff fit and movement checks, LED blood pressure scale and MyCheck average comparison arrow
Cuff
Cuff fits
Cuff fits	22–42 cm	22–42 cm
Cuff
Cuff	Soft M–L upper-arm cuff	UK maker bundle has a conical rigid M–L cuff; global maker page instead shows a soft cuff variant
Connections and memory
Users
Users	2	2
Readings stored
Readings stored	99 per user	99 per user
Bluetooth and app
Bluetooth and app	Yes	Yes
Memory
Memory	99 readings per user and average of all stored readings; oldest reading is overwritten when full	99 readings per user; average of stored readings from the last 28 days and MyBP average
App
App	Bluetooth 5.0 transfer to Microlife Connected Health+ on Android and iOS	Bluetooth transfer to Microlife Connected Health+ and USB connection to BP Analyzer+ on a computer
Power
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	Four 1.5 V AA alkaline batteries or a DC 6 V, 600 mA mains adaptor; compatible with rechargeable batteries
Design
Display details
Display details	LCD showing pressure, pulse, user, date/time and stored-reading indicators	Large LCD with a separate LED classification scale and adjustable date/time
Size
Size	141 × 94.5 × 56 mm; maker weight 260 g including batteries	157.5 × 105 × 61.5 mm; maker weight 415 g including batteries
In the box
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	UK maker lists conical rigid 22–42 cm cuff, mains adaptor, USB cable, four AA alkaline batteries, textile storage bag and blood pressure diary; PC software and smartphone app downloads