Microlife BP B3 AFIB vs Microlife BP B3 Comfort PC

Every spec side by side, from each maker's published figures.

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BP B3 AFIB compared with BP B3 Comfort PC
MicrolifeBP B3 AFIBMicrolifeBP B3 Comfort PC
Overview
Released––
Measuring
TypeUpper armUpper arm
Clinically validatedYesYes
Irregular heartbeat detectionYesYes
AFib detection or ECGYes–
MethodAutomatic oscillometric upper-arm measurement during deflation; first on-sale date not establishedAutomatic oscillometric upper-arm measurement during inflation; first on-sale date not established
AccuracyMaker manual specifies static pressure accuracy within ±3 mmHg and pulse accuracy of ±5% of the readout value; this specification is distinct from clinical validationMaker manual specifies static pressure accuracy within ±3 mmHg and pulse accuracy of ±5% of the readout value; distinct from clinical validation
Clinical validationSTRIDE BP lists this exact model for home use in adults and people with diabetes, with a validated 22–42 cm cuff; its entry lists approved validation studies published in 2009, 2018 and 2021Exact BP3KT1-4X (BP B3 Comfort PC) is a STRIDE BP preferred home monitor for adults, with a validated 22–42 cm cuff and a 2025 study using ISO 81060-2:2018; older maker documentation cites ISO 81060-2:2013
FeaturesAFIBsens atrial fibrillation indication is active only in MAM mode; separate irregular heartbeat indication, cuff fit check, movement error indication, traffic light classification scale and adjustable date/timeComfort+ inflation measurement, MAM three-measurement average, irregular heartbeat indication, cuff fit and movement checks, classification scale and date/time
Cuff
Cuff fits22–42 cm22–42 cm
CuffConical soft M–L cuff with removable washable cover; alternative cuff sizes are sold separatelyPremium soft M–L cuff with washable cover
Connections and memory
Users12 (better)
Readings stored9999 per user
Bluetooth and appNoNo
MemoryOne shared 99-reading memory and average of stored readings; oldest reading is overwritten when full99 readings per user and average of all stored readings; oldest reading overwritten when full
App–Micro-USB cable transfers stored readings to Microlife Blood Pressure Analyzer+ computer software; no smartphone Bluetooth connection
PowerFour 1.5 V AA alkaline batteries or optional DC 6 V, 600 mA mains adaptor; compatible with rechargeable batteriesFour 1.5 V AA alkaline batteries or optional DC 6 V, 600 mA adaptor; NiMH batteries supported but must be charged externally
Design
Display detailsLarge LCD showing systolic and diastolic pressure, pulse, date/time and stored-reading indicatorsLCD showing pressure, pulse, user, date/time and MAM indicators
Size138 × 94.5 × 62.5 mm; maker weight 402 g including batteries138 × 94.5 × 62.5 mm; maker weight 402 g including batteries
In the boxConical soft 22–42 cm cuff, four AA alkaline batteries, textile storage bag and blood pressure diary, alongside the monitorMonitor, premium soft 22–42 cm cuff, USB cable and software download voucher, four AA alkaline batteries, textile storage bag and blood pressure diary

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