Beurer BM 48 vs Microlife BP B4 BT

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BM 48 compared with BP B4 BT

	BeurerBM 48	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	No	–
Method
Method	Automatic oscillometric upper-arm measurement during inflation. Exact UK item 10350, EAN 4211125103507; manual model BM 48, technical type BM 48/1. Announced at IFA on 6 September 2024 with planned German availability from October 2024; actual first sale unresolved	Automatic oscillometric upper-arm measurement; first on-sale date not established
Accuracy
Accuracy	Manual display accuracy ±3 mmHg for systolic and diastolic pressure and ±5% for pulse; systolic range 50–280 mmHg, diastolic 30–200 mmHg and pulse 40–199 beats/minute. Maximum cuff pressure 300 mmHg is separate	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	Current manual claims clinical testing to ISO 81060-2. Independent validation for exact current item 10350 not established; headline flag omitted	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	Irregular-heartbeat warning, coloured classification scale, cuff-position check and HSD resting indicator. Automatic switch-off after approximately one minute and low-battery indicator. Single START/STOP button; no ECG, dedicated AFib screening or voice output	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	Supplied conventional universal cuff for 22–42 cm upper-arm circumference, replacement item 110.031; no easyClip or easyLock mechanism	Soft M–L upper-arm cuff
Connections and memory
Users
Users	–	2
Readings stored
Readings stored	–	99 per user
Bluetooth and app
Bluetooth and app	Yes	Yes
Memory
Memory	No calculated averages according to the product table. Complete operation section supplies Bluetooth settings but no on-device recall, user-selection or clock-setting controls. Website date/time claim and isolated saved-measurement/user paragraphs conflict with those controls; memory and user counts unresolved. Reading history is available through the app	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 transfer to beurer HealthManager Pro; app stores readings and provides export. Automatic transmission can be enabled or disabled using a long press while the monitor is off. Manual publishes 2400–2483 MHz radio band and maximum 5 dBm transmission power, without a Bluetooth version	Bluetooth 5.0 transfer to Microlife Connected Health+ on Android and iOS
Power
Power	Four included 1.5 V LR03 AAA batteries; approximately 300 measurements depending on blood pressure, inflation pressure and number of Bluetooth connections. Optional USB-C mains input 5 V DC / 1 A; remove batteries for mains use. Not battery charging. Manual EU adapter 072.78 and UK adapter 072.79	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	Illuminated inverse LCD with white digits on black; maker display size 6.2 × 6.2 cm. Manual IP20	LCD showing pressure, pulse, user, date/time and stored-reading indicators
Size
Size	August 2026 manual 128 × 91 × 46 mm (L × W × H), approximately 357 g with cuff and without batteries. Current website and datasheet give 130 × 91 × 46 mm and 397 g excluding packaging, without defining battery/cuff weighing conditions	141 × 94.5 × 56 mm; maker weight 260 g including batteries
In the box
In the box	Monitor, universal 22–42 cm cuff, four AAA batteries and instructions. Mains adapter sold separately	Monitor, soft 22–42 cm cuff, storage bag, instruction manual and four AAA alkaline batteries