?Dear Customers,Website:http://www.yuezl-technology.com,Welcome to your smart wristband. The smart wristband, a device that measures your daily job and activity with quality products and services. With this device, you can actually experience the excellence and humanization design of the device. Bring you a pleasant and enjoyable life.Thanks for choosing us, we provide the particular instructions for better operating the products. Before using the products, please read the instruction first. If there is any misprint, please do understand. Thank you. 1 .Product DescriptionWith the high-end and
Intelligent Bracelet Heart Rate Measurement Tw64s