Yes, we ship for free in most parts of the world. If you find that your region can't deliver after placing your order, please contact us via email.

It depends on where you are. generally, the logistics duration is about 5-25 working days

We will process the order within 24 hours after receiving it, and then deliver the goods from the warehouse to the express center, it will take about 2-3 working days to have the logistics tracking information, You can check the delivery status of your package in “Track Your Order”.

An electrocardiogram (ECG) uses an electrocardiograph to record the patterns of changes in electrical activity produced by the heart during each cardiac cycle from the surface of the body.

The watch or wristband should be worn on the left wrist, with your arms flat on the table and your right-hand finger pressed against the electrode pads. Straps should be adjusted so they are not too tight or loose. Turn on ECG monitoring mode and keep your arm steady.You can save your record in order to check detailed information after the process is completed.

Make sure you enter your personal information correctly in the App. Watches should be worn 1.5-2.5 cm below the wrist bone. Straps should be adjusted so they are not too tight or loose. Turn on blood oxygen monitoring mode and keep your arm steady. You have to wait for 10 to 15 seconds for the data to be displayed when the watch is worn on the wrist.

The sensor tracks the oxygen content of the blood on a graph, and yes, it does track blood oxygen when you fall asleep. When you turn on the hypoxia alert in the settings, it will wake you when your oxygen level drops below a certain point.

Yes, it tracks sleep stages and provides analysis on how well you slept.

Your steps are automatically recorded by the tracker. Data will also be synced to the app after it is paired with the device.

Download our app (H Band) that is compatible with your watch or wristband, follow the instructions to pair with your device and your health data will be synchronized.

Sometimes, due to technical issues with PayPal, some customers may not be able to directly checkout successfully. When this happens, please add the product to the shopping cart, and then click checkout in shopping cart to solve the problem.

Yes,We provide one-year warranty service for all products. If you encounter any problems during use, please contact us by email.

A magnetic charging cable is included with the watch for charging. You then hold the connector to the back of your watch, let the magnets snap into place, and 'charging' will appear on your watch.

Please contact us at we are more than happy to assist you.