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 different models)
6. Charging interface: Type C charging port
7. Theoretical working time: 2 days of battery life in typical usage scenarios (factory default configuration, heart rate is always on, use scientific sleep at night, use earphones to answer mobile phone calls for 10 minutes every day, listen to mobile phone music for 30 minutes, turn on automatic pressure detection, turn on blood oxygen automatic Detection, average weekly exercise of 90 minutes, open message notification (50 messages per day, 6 incoming calls, 3 alarm clocks), and turn on the screen for 30 minutes per day.)
8. The battery life data comes from Huawei laboratory. The actual usage may be different due to the impact of volume, sound source, environmental interference, product functions and usage habits.
9. Theoretical charging time: about 65 minutes
10. Microphone: Dual MIC noise reduction
11. Sensors: Acceleration sensor Gyro sensor Heart rate sensor (PPG) Ambient light sensor Hall sensor
12. Buttons: 2 earphone pick-and-place buttons, press and pop up 1 side button of the earphone at the same time, support long press, short press, double click
13. Waterproof level: IP57 (Not suitable for water sports in shallow waters such as swimming pools or beach swimming, let alone diving, diving, showers, hot springs, saunas, other wading or deep water activities under high-speed water flow. The waterproof function is not permanent Effective, waterproof performance may decrease due to daily wear, please avoid using it beyond the applicable scene of the product)
14. Dimensions: Full body (including bottom bracket, excluding strap): 58.33 x 22.8 x 12.5 mm, earphone: 47.3 x 20.0 x 12.5 mm
15. Weight: about 30g full body (excluding the weight of the strap), earphones: About 13g
16. Screen size: 1.53 inches AMOLED flexible screen
17. Screen pixels: resolution 460x188, PPI 326
18. Fit wrist circumference: fit wrist circumference 140-210mm
19. Software name: Huawei terminal smart bracelet control software V6.0
20. Watch/watch UI interface languages: Chinese (simplified/traditional), English, Spanish, Portuguese, French, German, Russian, Italian, Japanese, Swedish, Norwegian, Danish, Czech, Hungarian, Slovak, Polish, Romanian, Greek, Serbian, Macedonian, Bulgarian, Finnish, Estonian, Latvian, Lithuanian, Slovenian, Croatian, Ukrainian, Turkish, Vietnamese, Indonesian , Arabic, Dutch, Thai, Malay, Kor, Hebrew, Filipino, Persian, Hindi, Burmese, Bengali