Mi band 4 Xiaomi Global Version Fitness Tracker Fashion Touch Screen Smart Watch Sport Wristband Bracelet Heart Rate Monitor Activity Workout 50M Waterproof Pedometer Weather Forecast Reminder Sleep
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- Battery Life: 135mAh battery capacity built in the Mi Band 4, max working time up to 20 days after a full charging.
- Health Monitoring: Support heart rate monitoring, heart rate alerts, sleep monitoring, idle alerts; Monitoring your health data o matain your healthier body
- Activity Tracking: Comes with 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, swimming Counting step, distance, calories burned during sports
- 5ATM Water Resistant: Up to 50 meters water resistant rate, freely to wear Mi Band 4 when running and exercising
- Display: 0. 95-inch Colorful AMOLED display with 120 x 240 pixels resolution, up to 450 nits screen brightness
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Look and Design: All-new user interface for giving smoother and simplified touchscreen experience 2. 5D tempered glass with anti-fingerprint coating 6 axis Sensors: 3axis accelerometer, 3axis gyroscope, Capacitive proximity sensor, Optical heart rate sensor Other Basic Features: Stopwatch, Alarm clock, Timer, Find my phone, Phone unlock, Event reminder, Do not disturb mode (works even without phone), Lock screen, Music controls on band Connectivity & System: Support BT 5. 0 (Low energy), and support Android 4. 4, iOS 9. 0 and above Specifications: Brand: Xiaomi Type: Mi Band 4 Screen size: 0. 95inches color AMOLED display, 120 x 240 pixels Color depth: 24 bit Screen brightness: Up to 450 nits Touchscreen type: On-cell capacitive touchscreen Screen protection: 2. 5D tempered glass with anti-fingerprint coating Button: Single touching button (wake up, go back) Wrist strap material: TPU RAM: 512K ROM: 16MB NFC: No Wireless connectivity: BT5. 0 BLE Six Sensors: 3axis accelerometer + 3axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor Battery: LiPo, 135mAh Standby time: 20 days Max Charging Time: About 2 hours Support System: Android 4. 4/iOS 9. 0 and above. Adjustable wristband length: 155-216mm Product weight: Approx. 22. 1g/0. 78oz Package size: Approx. 18*9*3. 4cm/0. 63*0. 32*0. 12in Package weight: Approx. 130g/4. 30oz Note: 1. Please search "Mi fit" in Google play store or App store to download the App. 2. Item color may show slight aberration due to different shooting light and monitor display. Package list: 1 * Mi Band 4 1 * Specialized Charging Cable 1 * User Guide
Top reviews from the United States
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I like that I can wear it in the shower. It's waterproof and captures my activity in there. Just be warned, sometimes the shower drops will cause the Mi to do odd things like turn on Audible on my iphone or turn on the 7am alarm.
I've had a few times where it didn't record my sleep properly (5 hours when I slept 8). And when I do a Leslie Sansone 4 mile workout video, it only recorded 5500 steps Annoying but I can live with it.
The other thing to be aware of is you should buy the clip on holder. I swap it out when I'm going grocery shopping because it doesn't record steps when my arms are outstretched. I walked a mile with my cats in their stroller (hey, don't judge), and got 0 steps.
But for the price, I'm thrilled.
Going to shell out the cash for a real Fitbit.
You get what you pay for.
This device works great to tell time, read text message notifications, and silent alarms.
However, the step counter, heart rate, and sleep tracking are not accurate enough for me.
Not enough to tack your health progress, in my opinion. Furthermore it doesn't sync up with Google Fit. If I could do it over, I'd buy a tick watch or Moto 360
The Mi 4 reported my resting (sitting in my easy chair for 30 minutes) heart rate at between 65 and 72 BPM. This is plausible.
However, when I ran up and down a flight of 40 stairs 28 times in 24 minutes, it showed my heart rate at between 74 and 78 BPM. This could not be correct, as my heart rate is always above 130 BPM after about 18 minutes of stair running.
I tried tightening and loosening, but this had no effect, so I returned it.
The were no problems with the other other functions (time, date, weather, sleep analysis etc.)