The Advanced, Multi-User Bluetooth Blood Pressure Monitor By A&d Medical Provides Trusted Accuracy And Reliable Measurements Every Time. Download The A&d Heart Track App At No Cost. The A&d Heart Track App Stores Readings, Tracks Progress With Simple Graphs, And Shares Results With Others (Available On Ios And Android).Features: Experience Accurate Readings With Advanced Cuff Fit Detection, Avoiding Errors From Incorrect Cuff Placementensure Precise Measurements With Integrated Movement Detection, Minimizing The Risk Of Inaccurate Results Due To Movementautomatically Records And Tracks Measurements With The Highly Rated Heart Track App To Enable Trending And Sharing For Better Health Managementdisplays The Average Of The Last Three Measurements Providing More Consistent Blood Pressure Data Up To Four Users Provides Convenience, Cost Savings, And Enhanced Data Management Capabilities For Households With Multiple Individuals Needing To Monitor Their Blood Pressure Regularly Advanced Inflation And Deflation Technology Provides Faster And More Comfortable Readingswarranty: Extended 5-Year Warranty On Monitor Provides Long-Term Peace Of Mind And Greater Valueincludes: Upper Arm Blood Pressure Monitorblood Pressure Cuff (8.6 - 16.5 In)Instruction Manualquick Start Guidecarrying Caseaa Batteries (4)