The Wellue® AirBP™ is a new generation BP monitor designed for your whole family to check blood pressure levels anytime, anywhere. It is the smallest and lightest BP monitor--Connected with a smartphone via Bluetooth, Ultra-portable size, Wide range cuff fits standard and large arms. Free Professional APP for iOS & Android--Picture and sound guidance help you operate correctly. It is clinically tested and calibrated to deliver accurate and reliable readings. In addition to SYS and DIA BP level, heart rate, AirBP also monitors mean atrial pressure(MAP), pulse pressure. The free AirBP App displays informative dynamic Virtual Mercury bar & Pulse Waveform during measurement. Unlike most other BP monitors, AirBP uses USB cable to charge, work up to 1000 measurements on one charge. Feel empowered by accuracy with precise readings you can trust.