Heart Rate Blood Pressure Monitor Waterproof Sports Smartwatch

IMPORTANT: Before you order, ensure they fit! 

Get your measurements before buying clothes, shoes, under garmets, or jewelry at Gerald Black. It's easy!  Once you know your body measurements, consult the size chart found under the "Images" tab for actual product measurements to determine which size you should purchase.  If you are unsure of how to get your measurements, would you mind following the instructions found in the respective links below:

For clothes (coats, dresses, jeans, etc), click here to learn how to measure.

For shoes, click here to learn how to measure.

For rings, click here to learn how to measure.

For hats, click here to learn how to measure.

For body shapers, click here to learn how to measure.

For belts, click here to learn how to measure.

For blazers and suits, click here to learn how to measure.

For Swimsuits, click here to learn more to measure.

Need help converting from one metric to another, click here to learn how.

Use the tables below to convert centimeters to inches.

Inches to Centimeters conversion table

This product ships from China in 3 to 5 days. You should receive this product within 8 to 14 business days. Our standard shipping is free to most countries around the world. At checkout, you will have the option to purchase 12 day expedited shipping on most products which will allow for you to receive the product within 10 to 12 days on average. Click here to review our shipping policy for more detail.

When purchasing clothing, shoes, and/or belts; please follow the size chart. Please click on "Size Charts" located on the menu bar to learn how to get your measurements before buying.

Here are detailed explanations of our return policy.  If you have further questions not answered here, please contact us by clicking 'Need Help' on the menu at the top of this page and have your order number ready.  You will have an option to email us, live chat, or call.