Beurer BC 27 vs Microlife BP W70

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BC 27 compared with BP W70

	BeurerBC 27	MicrolifeBP W70
Overview
Released
Released	–	–
Measuring
Type
Type	Wrist	Wrist
Irregular heartbeat detection
Irregular heartbeat detection	Yes	Yes
AFib detection or ECG
AFib detection or ECG	No	No
Method
Method	Automatic oscillometric wrist measurement during deflation. Exact UK item 65904, EAN 4211125659042. Current page heading and download labels identify BC 27 despite BC 28 in its SEO title and range tile; linked manual identifies type BC 27, technical model BC 28. First-sale date unconfirmed	Oscillometric wrist measurement during inflation, marketed as Comfort+ and Quiet Inflation. This is the non-Bluetooth BP W70, separately listed from W70 BT by the Asia-Pacific manufacturer; no inferred successor link. First on-sale date unresolved
Accuracy
Accuracy	Manual display accuracy ±3 mmHg for systolic and diastolic pressure and ±5% for pulse. Systolic range 60–260 mmHg, diastolic 40–199 mmHg and pulse 40–180 beats/minute; cuff-pressure range 0–300 mmHg is separate	Systolic 60–255 mmHg, diastolic 40–200 mmHg and pulse 40–199 bpm in maker product/support. Static pressure accuracy ±3 mmHg and pulse ±5% in exact ROA 0922 manual. Cuff-pressure display 0–299 mmHg is separate
Clinical validation
Clinical validation	Exact manual states a maximum permissible clinical-test standard deviation of 8 mmHg, but does not identify a published validation study. Medaval reports no peer-reviewed clinical validation information for BC 27; consumer laboratory tests do not establish clinical validation. Headline validation omitted	Exact manual states testing according to ESH and ISO 81060-2:2013. No exact published clinical study or independent validation-registry assessment recovered in this pass; headline validation remains unresolved rather than transferring W70 BT evidence
Features
Features	Irregular-heartbeat warning, coloured classification scale, date/time, application-error messages and automatic switch-off after approximately one minute. No dedicated AFib screening, ECG, movement detection, heart-level position indicator, resting indicator or voice output	SmartMAM takes two consecutive measurements with a 15-second interval and displays an analysed result; a questionable reading can trigger another measurement. This differs from three-reading claims for some W70 BT versions. Ordinary pulse-arrhythmia indication, cuff-fit and movement checks, traffic-light classification and automatic switch-off after approximately one minute; no dedicated AFib screening
Cuff
Cuff fits
Cuff fits	14–19.5 cm	13.5–21.5 cm
Cuff
Cuff	Fixed wrist cuff for 14–19.5 cm circumference; exact manual requires the supplied attached cuff. Heart-level positioning is a user instruction, not an electronic position sensor	Wrist circumference 13.5–21.5 cm. Approximate five-level wrist-position guidance and blue LED; enabled guidance can begin measurement after the correct position is retained for approximately two seconds. Manual qualifies limitations with individual physique and allows the guidance to be disabled
Connections and memory
Users
Users	2	2
Readings stored
Readings stored	60 per user	99 per user (better)
Bluetooth and app
Bluetooth and app	No	No
Memory
Memory	Two users with 60 dated readings each; oldest overwritten when full. Average of all stored readings and seven-day morning (05:00–09:00) or evening (18:00–20:00) averages. Selected user memory can be cleared	Two users selected with the time button, 99 dated readings each. Recall first shows the average of stored values, excluding suboptimal cuff-fit readings, then individual results. Oldest overwritten when full. Stored readings survive cell replacement while settings and clock need resetting. Newly displayed reading can be excluded; previously stored individual readings cannot be deleted separately
App
App	No Bluetooth or connection from the monitor. Scan & Save captures the displayed values using a phone camera into beurer HealthManager Pro; not automatic wireless transfer	–
Power
Power	Two 1.5 V LR03 AAA batteries. Exact linked manual claims approximately 170 measurements depending on blood pressure and inflation pressure; current product table says approximately 300. No mains operation established	Two 1.5 V AAA alkaline cells, approximately 300 measurements with new batteries in exact ROA 0922 manual. NiMH rechargeable cells supported with external charging; no internal charging or adapter interface established
Design
Display details
Display details	LCD with black digits; current maker table gives 3.5 × 4.0 cm and claims illumination, while FAZ Kaufkompass's exact tested BC 27 has an unlit display. Illumination remains unresolved rather than assuming a hardware revision. Physical start/stop and memory controls, low-battery indicator; manual IP22	LCD with ON/OFF, memory and time buttons; IP22 in exact manual. Device service life stated as five years or 10,000 measurements, accessories two years; not battery endurance
Size
Size	Exact linked manual 84 × 60 × 29 mm (L × W × H), approximately 92 g with cuff without batteries. Current web/data sheet instead gives 60 × 84 × 55 mm and approximately 171 g excluding packaging, without equivalent weighing conditions; conflict unresolved	82 × 64 × 13.9 mm; 78 ±5 g including batteries in exact maker product, support and manual
In the box
In the box	Monitor with attached cuff, two AAA batteries, storage box and instructions. Current product page and data sheet also list a blood pressure record	Exact included accessory inventory not established by sources read. Resources are the English Asia-Pacific maker product/support and exact English manual; no unsupported UK availability claim