Huawei Watch GT 2 46mm (LTN-B19) and 42mm (DAN-B19)

Recently, 2 smart watches have entered into my family life, one for my wife and another for myself.

Due to the size difference, the larger, 46mm Huawei Watch GT 2 (LTN-B19) is more suitable for gentlemen, while the smaller, 42mm Huawei Watch GT 2 (DAN-B19) is more suitable for ladies.

There are a lot of similarities in terms of features and functions between the 2 of them. However, the Huawei Watch GT 2 46mm is slightly more expensive than the 42mm version. Other than a larger screen size, the Huawei Watch GT 2 46mm (LTN-B19) contains several features more than the 42mm version. The key differences are:

• 46mm LTN-B19 (41 gram) is 30% heavier than the 42mm DAN-B19 (29 gram).
• 46mm LTN-B19 has a slightly wider strap (22mm) than the 42mm DAN-B19 (20mm).
• 46mm LTN-B19 has longer battery life (typically 14 days) than the 42mm DAN-B19 (typically 7 days).
• 46mm LTN-B19 supports making phone calls through favourite contacts list and also receiving incoming phone calls, while the 42mm DAN-B19 doesn't have this feature.
• 46mm LTN-B19 can play music on the watch itself as well as through connected ear buds, while 42mm DAN-B19 does not have built-in speaker to play music on the watch itself, but able to play music through connected ear buds.

The Huawei Watch GT 2 is more than a smart watch. When connected to a smartphone with Bluetooth and working together with the Huawei Health mobile app, you will realize that it can function as a personal digital coach for health, exercise and lifestyle.

Its basic functions as a smart watch including:

• Time and calendar
• MP3 music player
• Barometer
• Compass
• Make and receive phone calls (46mm version only)
• SMS and notifications sync from smartphone
• Weather reporting
• Stopwatch
• Timer
• Alarm
• Flashlight
• Find my phone
• Monitoring and recording of steps, heart rates, calorie burning, etc.
• Workout recording

In terms of MP3 music, it can play music streamed from the connected smartphone, or play music directly stored in its storage. For 46mm version, the watch can play the music by itself. Both 46mm and 42mm versions can play the music with connected ear buds. It supports MP3 information written in Chinese.

For the coaching functions, this smart watch can work together with Huawei Health mobile app to provide comprehensive report about your night sleep quality with improvement suggestion.

The watch can also vibrate and remind you to move your body when you are detected to be sitting at the same place for a long time.

It can continuously monitor your heart rate and alert you when your heart rate is too high or too low.

It can also monitor and provide report to your stress level.

It has comprehensive work-out programmes, able to record down your body condition during exercise, and come out with work-out report and coaching advice.

When connected to a digital weighting scale, it can also monitor your weight change and provide advice accordingly.

There is even a simple breathing exercise to guide you to breath and relax.

One thing I want to emphasize is that, its sensors and data measurements are more accurate than most of the cheaper smartwatches and smart bands in the market.