The BPL BP Monitor B21 is a fully automatic, home-use device for accurately measuring and tracking blood pressure, ideal for those managing hypertension or monitoring their health. It features a large LCD screen with a warm white backlight for easy viewing, a memory function to store readings for multiple users, and smart indicators for cuff wrapping and irregular heartbeats. The device operates on the oscillometric principle and is powered by either batteries or a USB Type-C adapter.