Mi Band 4 review smart health connected bracelet tracking activities of Xiaomi with a battery life of 15 days and a screen much larger and resistant.
Mi Band 4 reviews smart health connected monitoring activities of Xiaomi
Xiaomi presented its new smart health bracelet, the Mi Smart Band 4, on June 11 in Beijing. I therefore continue my visit to Shanghai to present the latest products from the Middle Kingdom.
Once again the Chinese giant strikes hard with an excellent quality / price ratio. A real success with more than 70% growth over a year. Thus, at the end of March 2019, the number of smart health connected devices offered by Xiaomi exceeded 171 million (excluding smartphones and laptops.
Xiaomi Mi Band 4 design
Xiaomi simply offers us an improved version of the previous Mi Band 3 model. The bracelet remains in thermoplastic polyurethane with a color touch screen perfectly visible in all circumstances. One of the strengths of the Mi Band 4 is that it is very comfortable to wear, ultra light, we easily forget that it is on the wrist. So much so that we forget to recharge it, fortunately it is its other quality, it is only necessary every 15 days.
The Mi Band 4 works with all smartphones running Android 4.4, iOS 9.0 or higher.
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It has a 0.95 inch AMOLED color touch screen, which is 39.9% larger than its predecessor, which allows it to display more characters and is protected by 2.5 D anti-scratch tempered glass. He owns 77 different watch faces. The Mi Band 4 is also waterproof, standard 5 ATM, so you can safely use it for your nautical activities.
It is available in black, brown, blue, orange and pink.
- Width 18 mm
- Adjustable length from 155-216 mm
- 22 grams
Avengers movies are hugely popular in China, so Mijia has released a special edition with custom dials matching the 3 special straps: Captain America, Avengers and Iron Man.
Specifications of the Xiaomi Mi Band 4
- 0.95 ” AMOLED color touchscreen
- 120 x 240 pixels
- 24 bit
- Brightness up to 400 nits,
- 2.5 D scratch-resistant glass
- 3-axis accelerometer + 3-axis gyroscope
- PPG heart rate sensor
- Capacitive proximity sensor
- Waterproof 5 ATM (50 meters)
- Bluetooth 5.0 the, NFC (optional in China for AliPay)
- 135 mAh battery up to 20 days of autonomy. Charging is done in less than 2 hours.
- RAM of 512 KB and a ROM of 16 MB.
Features and activity tracking
- Display of the time, your heart rate, the weather, the notifications of the applications of your smartphone
- Call notification, but you can’t answer directly from the screen, so you’ll have to use your phone to do so.
- Programmable alarm.
- Microphone for voice assistant Xiao AI (only on the NFC version) which allows to easily control the Xiaomi Smart health home ioT accessories and can be used to pay for the Bus in 187 cities in China.
- And of course your physical activities 24/7 thanks to the health home app Mi Fit, in addition the Mi Band 4 can also connect to the app Google Fit.
- 6 training modes: treadmill, exercises, jogging, biking, walking and swimming.
- Counts steps, distance and calories burned
- End-of-training notifications, goal setting
- Heart rate table and inactivity alerts.
Tracking your sleepl with a quality score for each night. The Mi band 4 analyzes your periods of deep and light sleep, as well as the heart rate to help you improve your sleep habits.
Mi Band 4 price and availability
The official launch price in China is 169 yuan (about 22 euros) and will go on sale in China from June 16.
The price of the NFC edition which has all its interest in China is 229 yuan (30 €) and that of the limited edition of Mi Band 4 Avengers is 349 yuan (45 €).
Xiaomi Mi Band 4 Fitness Tracker 0.95 AMOLED OLED Display Heart Rate Monitor 50m Waterproof Bracelet Activity Tracker Weather Forecast Smart Reminder for iPhone Android phone (Black-Global Version)
Features
| Color | Black-Global Version |
Comparison between Mi Band 4 and Mi Band 3
Simply put, for € 10 more: a color screen with a larger display area, better resolution and better protection.
| Mi Band 3 | Mi Band 4 | |
| Touchscreen | black and white 0.78 ″ | color at, 95 ″ |
| Resolution | 128 x 80 | 240 x 120 |
| Protection | Hard plastic | 2.5 D glass |
| Sensors | 3 axis movement | 6 axis movement |
| Autonomy | 15 days | 15 days |
| Options in China | – | NFC, Avengers series |
First Opinion Xiaomi Mi Band 4
However, it lacks the integrated GPS, even if it uses that of your smartphone, to make it a complete product, but at this difficult price to do better currently (at Gearbest at 29 €). Its main advantage compared to the 3 is its screen with a 40% higher display.
The one that pulls out of the game at first price is the previous Mi Band 3 model whose price drops further to 25 €.
