The OMRON 10 Series« Wireless Upper Arm home blood pressure monitor has a horizontally designed dual-display monitor and stores up to 200 readings for two users . Sync via Bluetooth« to the free OMRON Connect app for unlimited memory, graphs and trend tracking, as well as unlimited users. The OMRON Connect app works with iOS« and Android« devices. Omron is the #1 doctor and pharmacist recommended brand of blood pressure monitors and the #1 selling manufacturer of home blood pressure monitors for over 40 years.