Easy one-touch operation. Irregular Heartbeat + Advanced Detection. Smart Measure inflation technology. Excessive body motion detector. Cuff fitness detection to place the cuff in the correct position on your arm. Risk Category Index. Bluetooth wireless technology syncs to the free Homedics Health+ app. Large easy-to-read backlit display with date and time stamp. Stores up to 120 memories for 2 users each. One-size-fits-most soft arm cuff (9"-17"). Requires 4 AA batteries (included). Includes: One-size soft arm cuff. Storage bag.