AMAZTIM Smart Watch, 60 Days Extra-Long Battery, 50M Waterproof, Rugged Military Bluetooth Call(Answer/Dial Calls),1.85″ Ultra Large HD Display, AI Voice Assistant,Compatible for Android and iOS

Quit most of the functions after 1st month
I was very impressed with the watch when I first received it. For once, I had found a smartwatch that fairly accurately recorded my vitals – Pulse, blood oxygen, blood pressure, and steps. The watch has more than a sufficient number of watch faces to choose from and it is a perfect size for my wrist. The battery life, I feel, is not as good as they claim, but it does last for about 8-9 days after a full charge. Of course, I only use a limited number of notifications, do not use my watch for a phone, and only use the functions that make sense for me as a 71-year-old male.The application that you are supposed to use with the watch is not as good. It does not stay connected to the watch and takes an excessively long period of time to connect and show your data after opening the app. I have an iPhone 14 so that should not be an issue. Another thing is the weather. The application only connects to the local weather when you press the weather data in the upper left-hand corner of the app, and it rarely transfers that information to the watch. I like to be able to look at my watch to see what the current temperature is.Now for the reason that I am only giving this watch a one-star rating and I will update it if the manufacturer responds favorably – or unfavorably.Virtually all of the functions of the watch, and especially the ones that I use most often, quit working 4 days after the 30-day return date expired. I now have to deal with the manufacturer. It still gives me the time and date, notifies me of emails that I receive from my phone, and gives me my blood pressure reading. Nothing else.It is not easy to get to someone that you can actually speak to at Amazon when you press the “Call Me” button on the “Get Product Support” tab. When I finally was able to speak with someone to ask for the manufacturer’s phone number, all she had in her system was their physical address. She was very polite, hard to understand, but polite, and gave me the warranty department’s email address and instructed me to request the information from them. I have done so, and now am waiting for a response. I have purchased a metal watchband and screen protectors specifically for this watch, so I hope the manufacturer will honor their 2-year warranty and make this right.At this point, I would not recommend spending $99 for this smartwatch, but will update this review once my problem is resolved – hopefully satisfactorily.UPDATE: After several emails to AMAZON, I finally was given good contact information for the seller and I made contact. That same day, Thursday, February 8th, I received a message from the seller telling me they were going to send me a new watch and told me that it was not necessary to return the malfunctioning smartwatch. The scheduled delivery date for the replacement smartwatch was Thursday, February 15th. The seller exceeded my expectations and the new watch was delivered today, Monday, February 12th!Everything seems to be working as it should and the BP readings that I am getting are actually realistic! AMAZTIM honors their warranty, so for that reason I am bumping my review up to 4 stars. If AMAZON’s communication methods were a little more customer friendly the rating would be 5 stars. Thank you AMAZTIM. If the replacement smartwatch continues working as it is now, you will see no more on this review.

Poor performance – many features did not work
The item advertises quite a lot, although many features do not work as intended. For $99, I think the watch is way overpriced for the number of features and functionality you are getting.Here are the issues I have with this watch:1. The watch advertises a 60-day battery life. However, true battery life is approximately 5-6 days under minimal usage and the lowest brightness (i.e. if you look at the watch a few times a day with some notifications coming through).2. The intelligent recognition function works very poorly. On both bike rides and walks, I would say the intelligent detection functions work less than 10% of the time, and when it does, it usually alerts you to start when you are done or almost done with the activity.3. The watch can never seem to get an accurate HR reading when I am exercising. During my walks or bike rides, the HR reading usually drops from ~85 bpm to 50-60 bpm, when the bpm is closer to 130-140. The only way for the watch to read properly again is by taking it off, cleaning the sensor and my skin, and then putting it on again. I am guessing the problem is due to sweat blocking the sensor from reading the skin properly, although it doesn’t take a lot of it to make the sensor very dirty. I found that even if I don’t exercise, I have to take the watch off at least once a day to keep cleaning the sensor for it to return proper values. Furthermore, the range for HR in the app was 0-200, so daily variations in your HR are just seen more or less like a flat line with small bumps on it. Visualizing changes throughout the day is very difficult since the graph’s Y-axis doesn’t move with your actual HR, but instead is fixed to a maximum of 200.4. Exercise by other means does not seem to change the mileage on the watch or affect the number of calories burned. If you are exercising by means other than walking, the calorie number is going to be grossly inaccurate. The watch also does not have a GPS so the mileage reading is based on the number of steps taken rather than the distance traveled. Shaking your legs while sitting down will on occasion increase the step counter.5. The weather function does not work. The watch just says ? and the app keeps giving an error about it not being able to find the weather information.6. The blood oxygen values appear to be bogus. Even applying a tourniquet to the arm, the watch will continue to return fluctuating values between 97-99%, even when a fingertip pulse oximeter will keep beeping that the blood oxygen has dipped to ~85%.7. The way the watch delivers notifications is fairly clunky – the font itself is a bit large and the font face looked a bit unusual. Larger notifications like emails tend to be truncated and there isn’t a good way to be reading the entire message on the watch. There is also no way to interact with the notifications, where your only action is to delete the notification. It is also a bit difficult when dismissing multiple notifications although you can dismiss all of them at once.8. The watch comes with a screen protector out of the box, but applying the screen protector on causes a significant decrease in touch sensitivity. Scrolling through will often miss, and you often have to press things twice for the action to register properly. (e.g. it would be impossible for you to use the calculator on the watch if you tried to use it with the screen protector on, but it is already difficult enough to use without a protector).9. Sleep tracking only works once a day. If you take naps during the day, these naps won’t be registered on the app or the watch.10. While the watch can take HR/blood ox readings periodically, it doesn’t seem like it takes these values consistently. It also does not have a function to take blood pressure readings periodically, although I am not sure how accurate these values are. I am guessing this may also be related to #3 where the sensor may get dirty since many times the HR reading just goes — or return a bogus value after wearing it for more than 12 hours.11. The charger feels cheaply made and is somewhat bulky. The magnet itself is weak so you have to fumble around with the watch to get it to align and stick to the charger pins. Since the magnet is weak, moving the watch slightly can cause it to stop charging. The watch does not allow you to interact with it while charging.12. Although the watch has smartphone-like menus, the UI is somewhat hard to use and there are very limited customizations you can do. For example, instead of allowing you to press in the exact number of minutes for a timer, you have to keep scrolling through the values until it lands on the specific minute you want. Also, the scrolling seems like it always scrolls ~2-3 items at a time regardless of the “fling speed”, so setting a 55-minute timer will require you to keep scrolling back and forth before you can complete the task. The calculator has tiny buttons that are impossible to use even if you have small fingers. There aren’t any addons/apps you can download, and the major customizations you can do is temperature unit (C/F) – (although the weather app does not work) and the wallpaper.13. It is quite difficult to activate the watch by flinging your wrist forward. Sometimes the action registers, sometimes it doesn’t. Because the watch would only stay on for a max of 15 seconds, it is somewhat of a pain to keep track of your activity when you are exercising. If you are trying to reach a particular HR, you will have to keep pressing the button to reactivate the watch face when the screen turns off. Reading the watch while riding a bike can be difficult because the watch does not have a very good reading angle and can really only be read directly and under lower light situations (bright sunlight makes the watch very difficult to read without bringing the watch very close to your face).14. The Do Not Disturb function does not sync with your phone and needs to be enabled separately on the watch. This means that if you decide to wear the watch at night, application notifications will continue to vibrate the watch (and potentially wake you up) even when your phone is in Do Not Disturb mode. You will have to manually set a schedule on the watch if you do not wish to receive notifications in a defined window on the watch. It seems like the function is somewhat finicky though, and sometimes the watch continues to vibrate even if the mode is turned on. It also seems like that function is prone to accidentally triggering since it only takes a swipe and press to turn on/off various functions.15. Not all settings can be configured in the app. Some of them are only available on the watch itself while others are on the app. It can be challenging to find specific settings and know where to set them.16. Even when the 12-hour (AM/PM) mode is activated, 12:00 AM is displayed as 00:00 AM. Kind of a strange way to display time, but seems like there is no way to get the time displayed properly.17. Time sync is reliant on the Bluetooth connection with the phone. This is not too surprising, although Daylight Saving Time can cause the wrong time to be displayed until the watch resyncs the time with the phone.18. If you choose to customize your wallpaper, you are forced to use a specific UI design and cannot pick from the preset designs that display information in a particular way. The fidelity of the information when using a customized design is simply not the same.19. Although the watch relies on its Bluetooth connection for many of its activities, it cannot use the device’s address book for displaying names/numbers on the watch. Instead, you have to pick which ones you want to sync over to the watch (up to 100). Anyone who isn’t synced over to the watch will not have their names displayed when the calling function is enabled. If you have more than 100 contacts, you will have to pick and choose whom to leave out.20. The app needs permission to be constantly running in the background for reliable notifications (which drains batteries faster). The app also requests quite a bit of permissions on the device for its activities and collects a lot of what may be deemed as sensitive information. Some of that data is transmitted without encryption to an offshore server in China, which raises privacy concerns.

Su estilo es muy bonito tiene muchas funcionalidades tanto para salud y comunicación compro y resistente un poco grande para mi gusto pero bien, no pesa y es muy practico