Features 1. 1.53 inch AMOLED 3D curved flexible screen, 326PPI density 460x188 pixel, reaching a "retina" level resolution. The displayed text information and image are clearer, and the high PPI can bring more information on the same display area, providing a clearer effect. 2. Equipped with a built-in mic and a speaker. There is dual-mic noise cancellation and a 3A noise cancellation algorithm for clear calls. 3. Rugged design style with a stainless steel body that is sharp and clean, making it look like a work of art when worn on the wrist. When using it, you will not feel that it is a tool, but rather a decoration. 4. On the health-centric front, the Huawei TalkBand B7 is equipped with a PPG heart-rate monitor, SpO2 sensor, menstrual cycle tracker, sleep and stre
