Product description Product description This arm blood pressure monitor with Bluetooth function has inflation measurement technology that automatically detects the amount of air the cuff needs to start the measurement. You can send your data to your mobile device via Bluetooth if you have downloaded the healtmanager application. Elegantly designed, the touch button and the large XL LCD screen with light are a perfect combination of design with the most advanced technology. NOTE: The cuff of our blood pressure monitors should not be too strong or too weak, as described in the instructions for use, 2 fingers should fit well under the cuff. The battery symbol on the device is only an indicator, it does not indicate the capacity of the batteries. Box contents 1 x Bluetooth arm blood pressure monitor