Our B21 Upper Arm Blood Pressure Monitor is designed with a big screen and bold digits, providing a classic style that is both functional and aesthetically pleasing. With its user-friendly interface and clear display, this monitor makes it easy for users to track their blood pressure readings with confidence.
A big screen with bold numbers allows users clearly get results at a glance
Easy to use: User-friendly one-button operation, simple to use and monitor blood pressure
Friendly voice function, suitable for the elderly and persons with visual impairment
Two users switchable, 120 memories for each user
Irregular heartbeat detection: detects possible cardiac risks
Cuff wrapping detection: helps wear the cuff correctly
Movement error detection: increases the reliability of measurement results
Display the average of 3 last measurement values
| Model | B21 | Voice | Optional | Accuracy | ±3mmHg Pulse: ±5% |
| Measurement Type | Upper Arm | Backlight | - | Measuring Range | 60-260mmHg(SYS) |
| Measuring Method | Deflation | Bluetooth | - | 40-220mmHg(DIA) | |
| Display | LCD | Bluetooth Protocol | - | 40-199 pulse/min(Pulse) | |
| Display Dimensions | 64x95mm | Battery | 4xAAA | Working Temperature | 5℃~40℃ |
| Product Dimensions | 116x110x52mm | Power Port | Micro-USB | Working Humidity | 15%~93%RH |
| Cuff Size | 22-42cm | Memory Capacity | 120 memories for each user | ||
| Product Weight | 245g |
Address: A101-301, D101-201, Jamr Science & Technology Park, No. 2 Guiyuan Road, Guixiang Community, Guanlan Street, Longhua District, Shenzhen, China
Email Us: 
A101-301, D101-201, Jamr Science & Technology Park, No. 2 Guiyuan Road, Guixiang Community, Guanlan Street, Longhua District, Shenzhen, China