The Bakeey TK04 really gives you everything you need: GPS, SIM capability for voice calls, Bluetooth calling and music (basically used as a speakerphone), measures heart rate and blood pressure, displays messages, calls.
It’s a nice looking round smartwatch in black with two physical buttons. It weighs 66g and is moderately waterproof with IP67 water resistance. The belt is replaceable.
Fitness, sport and health functions
heart rate measurement, blood pressure measurement, step count, distance traveled, calories burned, sports tracking (running, walking, etc.), GPS , other health features include movement reminders, sleep quality monitoring. You can insert a phone SIM so you can use it as a phone call using your own speakerphone or BlueTooth headset. Notification features include Incoming call notifications, App notifications and SMS notifications, Incoming notifications, Reject call. Other features include alarm clock, time, date display, camera and music remote control, Bluetooth call, Bluetooth music, weather
Use as phone
It can be inserted into a SIM so that it can be used as a stand-alone caller using your own speakerphone or BlueTooth headset. It can also be used as Bluetooth call, It is interesting that although it can be used on its own, it does not force it, because it also allows Bluetooth calling. This means that it not only displays the incoming call, but also BlueTooth allows the complete call to be made with the watch, so it has a built-in microphone and speaker.
Use as Bluetooth speaker
Since the phone transmits sound, it can naturally be used to transmit any sound. This raises some interesting possibilities because this way you can say a video eg. on Youtube or any app, and if your voice is interesting in particular, we can hang up the phone somewhere and listen without the headset. Not necessarily music, because it may not be good enough, but for example a stand-up, audiobook, etc. that is why it is enjoyable during classes.
Obviously, if you are able to transmit sounds, then music, which can be not only mp3 or something like that, but also come from some music streaming application.
It has a built-in GPS, so you can accurately measure the distance you travel without using a cell phone. But it not only measures distance but also measures altitude, temperature, air pressure and speed in real-time.
It supports a variety of sports, including running, walking, cycling, climbing, etc. You can record more data while exercising and use your own GPS when needed. For example, it measures, distance, speed, heart rate, etc. depending on the sport
The frequently used 1.3 ″ color IPS display (240 x 240 pixels resolution), which has a touch screen throughout. Of course, there are several watch faces (home pages) to choose from.
You do not have a genuine operating system (such as Android Wear) and the firmware is responsible for its operation. It also comes with a mobile app (Android, iOS) to help you set up and use it more efficiently. Some functions can be used without any extra device, such as the pedometer. The collected data can then later be synchronized with your mobile phone and tablet.
The battery has a capacity of 320mAh and according to the manufacturer, it should be recharged every 4 days (but every 2 days in active use).