The Omron HEM-REML31 Blood Pressure Monitor Cuff is designed for medium to large upper arms, with a cuff size range of 22-42cm. This automatic blood pressure monitor features an analog display and Bluetooth connectivity, making it convenient for tracking your readings. With a sleek black design and compliance with DOT/NHTSA regulations, the Omron EasyMate GC model offers accurate and reliable monitoring for your health and well-being. Powered by batteries, this blood pressure monitor is a practical and efficient tool for maintaining your cardiovascular health.