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 stress monitor. The wearable device is also capable of measuring advanced heart health parameters like atrial fibrillation and sleep apnea. There is support for 10 sports modes along with VO2 Max, scientific running courses, and sedentary reminders.
5. The Huawei TalkBand B7 is powered by the brands Kirin A1 processor. It is compatible with HarmonyOS 2.0+, Android 7+, and iOS 9.0 and above. The device packs convenient features like quick reply, camera and music control, Alipay quick payment, WeChat, and more. The TalkBand B7 is backed by a 120mAh battery unit that can be topped up via a USB-C port.

Specifications
1. Equipped system: HarmonyOS 2 and above; Android 7.0 and above; iOS 9.0 and above
2. Material: stainless steel metal case
3. Battery capacity: 120mAh
4. Bluetooth: Bluetooth 5.2
5. Transmission range: Connection distance: 150m in an open environment (connection test with a Huawei mobile phone that supports Super Bluetooth function, the maximum connection distance in an outdoor open environment can reach 150m; the data comes from Huawei laboratories, and the test results may vary depending on the environment and the connected mobile phone