Product Features 【Accurate and Reliable】- BP monitor cleared by FDA measures systolic, diastolic and heart rate. 【Bluetooth function 】- Real-time data will be synchronized to the APP to be saved and viewed. 【Data Sharing】- The historical data can be shared with others on the APP. 【Easy to Use and Automatic blood-pressure cuff】- One-Button operation and check your data in 30 seconds, wide-range automatic cuff fits standard to large adult. 【Rechargeable and Portable】- one full charge for 4 months. you can use it at home, traveling or working. Note: The data and results provided by this device are for reference only and can not used for medical diagnosis or treatment. Free Delivery 1 Year Official Warranty Free Returns Money Back Guarantee Award Winning Customer Service Product Specification Mode：BP2A Size (main unit)：135mm(L)×45mm(W)×20mm(H) Weight (main unit)：240g Cuff Size：22 - 42cm Wireless Connectivity：Bluetooth 4.0 BLE Battery Type：Rechargeable lithium battery Battery Usage：300 measurements​ Pulse Rate Range：40 to 200 /min Pressure Measurement Accuracy：±3mmHg Pressure Range：0 - 300mmHg Technology：Oscillometric Method ▶ 1X Blood Pressure Monitor Refurbished ▶ 1X Charging Cable▶ 1X User Manual▶ 1X Quick Guide▶ 1X Warranty Card