Feature:1. Fast and Accurate Measurements: Our fully automatic upper are blood pressure machine provides fast and precise results, simply press the power button, and the measurement process will automatically start. Accuracy: Blood pressure:±3%, Heart rate:±5%.(Please follow the instructions to wear the arm cuff correctly and sit and breathe correctly to avoid inaccurate measurements.)2. Voice Broadcast Design: Our home blood pressure monitor features a voice broadcast function, making it easy to kids and elderly use, and ideal for individuals with poor eyesight; you can adjust the volume or turn off the sound according to your needs.3. Convenient Dual User Mode: Store up to 180 readings for 2 users(90 readings each), it can measure blood pressure and heart rate. allowing easy tracking and comparison of healthy measurements. 4. Large LCD Backlit Display: The large LCD screen of our blood pressure monitor features clearly digital numbers, date and time display, ensuring easy readability even in low-light conditions, enjoy a hassle-free visual experience.5. Portable Cordless Blood Pressure Monitor: Equipped with a built-in rechargeable battery and Type-C cable for convenient charging anytime, eliminating the need for battery replacements and ensuring you can easily monitor your health (Note: Charging adapter is not included)Specification:Specifications:Item name: Blood pressure monitorMain material: ABSCharging port: USB Type-CProduct voltage: 6VBattery voltage: 3.7VBattery capacity: 400mAh(built-in)Measurement method: oscillometric methodArmband range: 220-320mm/8.66-12.6inMeasurement range: blood pressure 0~280mmHg, pulse 40~199 times/minutePressurization method: automatic pressurization by air pumpDecompression method: solenoid valve controlled decompressionMeasurement error: blood pressure ±3% heart rate ±5%Memory capacity: 90 sets of measurement data and time for 2 peoplePressure sensor: semiconductor pressure sensorWorking temperature: +5~+40/+41~+104Product size: 13*10*5.8cm/5.12*3.93*2.28inProduct weight: 269g/9.48ozPackage List:Packing List:1*Monitor1*Arm cuff1*USB cable1*Instruction