The heart of the smartwatch is a system based on an efficient processor and a sufficient cache. The case of a Casio Protrek Smart WSD-F21HR-RDBGE watch is made of durable and shattering-resistant plastic, which is covered by a ###DISPLAY### coating.The black strap is made of silicone - the material which is characterised by lightness and high level of damage resistance. It perfectly goes with the watch case. The ###DISPLAY### dial features a mineral crystal, which is very resistant to impacts and scratches that are caused during daily use. The 50m water-resistant watch provides excellent protection against wetting. Casio Protrek WSD-F21HR-RDBGE is covered by the manufacturer's warranty and is packed in the original box.
Functions
Android Wear™
To connect the CASIO watch to a smartphone, the Wear OS by Google operating system must be installed on the device. Wear OS by Google offers a variety of pre-installed apps for outdoor activities. Additional compatible apps can be installed on the watch from the Google Play Store if desired.
Wi-Fi (IEEE 802.11 b/g/n)
If Wi-Fi is enabled on your watch, it will automatically establish a connection to a known, available Wi-Fi network (if the watch is not connected to your smartphone via Bluetooth®).
Bluetooth® Smart
The watch is equipped with energy-saving Bluetooth® technology, which offers power-saving data transfer at the push of a button. The watch can connect to a smartphone wirelessly via Bluetooth®, enabling access to a wide range of useful functions.
Double LCD (320 x 300)
The display consists of two overlapping, independent LCDs. The monochrome display provides an excellent level of readability, even in difficult lighting conditions. The colour display can show graphical or colourful measured data in an optimal way and provides a clear overview of the content.
Touchscreen
The watch is equipped with a touchscreen, which allows a wide range of functions to be adjusted quickly and intuitively using familiar touchscreen controls.
Barometer (260 / 1.100 hPa)
A special sensor measures the air pressure (measuring range: 260/1100 hPa) and presents this on the display in the form of a symbol. This enables early detection of weather trends.
Digital-compass
A built-in direction sensor detecs the magnetic north.
10 000 m altimeter
A pressure sensor detects changes in the air pressure and converts the result into an altitude up to 10 000 m.
Altimeter data memory
Depending on the model, up to 40 sets of elevation data can be stored in the watch's data memory and re-accessed at any time. Each of these data sets consists of a measured altitude as well as the date and time. In addition to the individual altitudes, the maximum and minimum altitudes during a measurement are also stored.
Moon Phase Indicator
The moon phase indicator shows the current moon phase based to the earth
Tide indicator
Once the high tide time has been entered for a selected location, the watch can display the low and high tide phases at this location on any given date. This can be quite useful, for example, if you want to know the patterns of the tides at your destination in advance.
Gyrometer
Ideal for outdoor activities: The gyro sensor shows you every little change in direction during navigation, ensuring you always reach your destination. The sensor detects the smallest movements of the watch and acts against this by supporting optical image stabilisation or the alignment of the display.
Acceleration sensor
The motion sensor responds to acceleration and shows this as a speed on the display. The sensor also supports the auto rotation function of the watch, ensuring that the image is always displayed the right way up on the display.
Sunrise/sunset display
After entering the geographical location, sunrise and sunset times can be displayed for any given date.
GPS function
Measures your current position using artificial satellites circling the globe.
Fishing Timer
Know when they are biting. The watch displays a fish symbol when it is the perfect time for fishing.
World time function
Displays the current time in major cities and specific areas around the world.
Vibration alert
The vibration alarm discreetly reminds you of important appointments, without emitting a loud signal.
Airplane Mode (Offline Mode)
At the touch of a button, the watch switches to offline mode. This means that you can disable the wireless or GPS receiver when in the air for the duration of the flight.
Microphone
Make your daily life easier using practical voice commands spoken directly into the microphone on your watch. For example, you can start a Google search by saying "OK Google" — without the need to touch the display, or even take your smartphone out of your pocket. Many actions can be performed via the microphone using voice commands.
Mineral glass
The tough mineral glass resists damages.
Resin case
The case of the watch is light and durable.
Resin band
Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties.
Battery level indicator
An indicator shows the current battery level.
Water resistance classification (5 bar)
This watch can be worn when showering and bathing - it is tested for water resistance up to 5 bar according to ISO 22810.
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