Microlife BP B4 AFIB BT vs Microlife BP B4 BT

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BP B4 AFIB BT compared with BP B4 BT

	MicrolifeBP B4 AFIB BT	MicrolifeBP B4 BT
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	–
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; 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	Exact BP B4 BT appears on STRIDE BP as an approved equivalent device for home use in adults and people with diabetes, with a validated 22–42 cm cuff; the listing does not identify an underlying direct-study model
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	MAM averages three successive measurements; irregular heartbeat indication, cuff fit and movement checks, classification scale and date/time
Cuff
Cuff fits
Cuff fits	22–42 cm	22–42 cm
Cuff
Cuff	Soft M–L upper-arm cuff	Soft M–L upper-arm cuff
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	Exact manual and UK page feature heading specify 99 readings per user for two users; a conflicting UK specification bullet says 30 each. Average of all stored readings; oldest reading overwritten when full
App
App	Bluetooth 5.0 transfer to Microlife Connected Health+ on Android and iOS	Bluetooth 5.0 transfer to Microlife Connected Health+ on Android and iOS
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 LR03 AAA batteries or optional DC 5 V, 1 A adaptor through USB-C; NiMH batteries supported but must be charged externally
Design
Display details
Display details	LCD showing pressure, pulse, user, date/time and stored-reading indicators	LCD showing pressure, pulse, user, date/time and stored-reading indicators
Size
Size	141 × 94.5 × 56 mm; maker weight 260 g including batteries	141 × 94.5 × 56 mm; maker weight 260 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	Monitor, soft 22–42 cm cuff, storage bag, instruction manual and four AAA alkaline batteries