Sinocare Blood Pressure Monitor, Upper Arm BP Machine for Home, Adjustable Cuff 8.6"-16.5", One-Button Operation, Dual User Mode, Posture Detection & Irregular Heartbeat Alert, Black

Product description 1. Does it come with a charger and cable? ow is it powered? It doesn't come with a charger and cable, but it can be powered by 4 AAA batteries (include) for power. Alternatively, you can temporarily connect it to a DC 5V, 1A power supply via a Type-C interface. 2. What should I do if the package I receive is damaged or missing parts? Please take photos as evidence and send them to us (showing the damaged areas and the contents of the package). We will handle your request immediately and offer you three options: return, replacement, or refund without returning the item. 3.The primary causes of inaccurate blood pressure readings. Incorrect measurement method: Engaging in vigorous exercise or experiencing emotional fluctuations within 30 minutes prior to measurement, or improper positioning and cuff application. Equipment malfunction: Battery power depletion, internal components damaged by moisture and rendered inoperable. Physiological and Environmental Interference: Atrial fibrillation and arrhythmia make it difficult for electronic blood pressure monitors to accurately capture signals; noisy measurement environments (interfere with electronic device signals).