Design
Screen size
The bigger the screen size is, the better the user experience.
- Blackview R8 1.09
-
- Huawei Watch Buds 1.43"
-
Display type
The type of technology used in the display.
- Blackview R8 null
- Huawei Watch Buds oled_amoled
Is dustproof and water-resistant
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
- Blackview R8
- Huawei Watch Buds
Ingress Protection (IP) rating
The first number of the IP rating refers to protection against dust, while the second number refers to protection against liquid. E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water.
- Blackview R8 null
- Huawei Watch Buds ip54
Pixel density
Pixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.
- Blackview R8 311
-
- Huawei Watch Buds 326ppi
-
Resolution
Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.
- Blackview R8 240 x 240
-
- Huawei Watch Buds 466 x 466px
-
Always-On Display
The user can see information such as date, time, and notifications even when the screen is off. The functionality can be enabled or disabled.
- Blackview R8
- Huawei Watch Buds
Thickness
The thickness (or depth) of the product.
- Blackview R8 12
-
- Huawei Watch Buds 15mm
-
Weight
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
- Blackview R8 23
-
- Huawei Watch Buds 66.5g
-
Height
The height represents the vertical dimension of the product.
- Blackview R8 41
-
- Huawei Watch Buds 47mm
-
Width
The width represents the horizontal dimension of the product.
- Blackview R8 41
-
- Huawei Watch Buds 47mm
-
Volume
Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
- Blackview R8 20.172
-
- Huawei Watch Buds 33.135cm³
-
Width of band
The band or strap of the device takes up less space.
- Blackview R8 null
-
- Huawei Watch Buds 22mm
-
Sensors
Has GPS
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
- Blackview R8
- Huawei Watch Buds
Has a gyroscope
A gyroscope is a sensor that tracks the orientation of a device, more specifically by measuring the angular rotational velocity. Initially, they were built using a spinning rotor to detect changes in orientation, like twisting or rotation.
- Blackview R8
- Huawei Watch Buds
Has a cadence sensor
A cadence sensor measures the number of pedal revolutions per minute when you are cycling. It enables you to monitor how fast you are pedaling.
- Blackview R8
- Huawei Watch Buds
Activity tracking
Tracks distance
It tracks how far you travel.
- Blackview R8
- Huawei Watch Buds
Measures pace
Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.
- Blackview R8
- Huawei Watch Buds
Has a route tracker
With a route tracker you can add your route onto a map. It is helpful if you plan to do the same route again, or want to share it with your community.
- Blackview R8
- Huawei Watch Buds
Tracks elevation
It can detect changes in elevation, such as when you are climbing stairs.
- Blackview R8
- Huawei Watch Buds
Connectivity
Bluetooth version
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
- Blackview R8 5
-
- Huawei Watch Buds 5.2
-
Supports ANT+
ANT+ is a wireless protocol similar to Bluetooth Smart, and is very power efficient. It is mainly used for fitness monitoring devices such as heart rate monitors and cadence sensors to connect to other devices (e.g., sports watches, smartphones, and cycling computers).
- Blackview R8
- Huawei Watch Buds
Has NFC
NFC (near-field communication) allows a device to perform simple wireless transactions, such as mobile payments. Note: this feature may not be available in all markets.
- Blackview R8
- Huawei Watch Buds
Supports Galileo
Galileo is a global navigation satellite system (GNSS) that is similar to GPS. Supported devices can use a combination of Galileo and GPS for location-based services such as Google Maps, and tend to be around 30% more accurate than GPS-only devices.
- Blackview R8
- Huawei Watch Buds
Battery
Battery life
With a longer battery life, you don’t have to worry about charging the device as often.
- Blackview R8 10
-
- Huawei Watch Buds 3 days
-
Battery power
Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
- Blackview R8 190
-
- Huawei Watch Buds 410mAh
-
Charge time
The time it takes to fully charge the battery.
- Blackview R8 2.5
-
- Huawei Watch Buds 1.4h
-
Has wireless charging
It supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
- Blackview R8
- Huawei Watch Buds
Features
Measures VO2 max
VO2 max capacity is a measurement of the amount of oxygen your body can use during physical exercise. A high VO2 max capacity indicates good fitness levels.
- Blackview R8
- Huawei Watch Buds
Measures resting heart rate
This measurement is your heart rate per minute when you're at rest, such as when you're relaxed, sitting, or lying down. For adults, this is typically between 60–100.
- Blackview R8
- Huawei Watch Buds
Has fast/slow heart rate notifications
It can notify you when your resting heart rate is above or below the normal range.
- Blackview R8
- Huawei Watch Buds
Locates your phone
The device has a feature that allows you to find your smartphone if you have misplaced it.
- Blackview R8
- Huawei Watch Buds
Has notifications
If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.
- Blackview R8
- Huawei Watch Buds
Has irregular heart rate warnings
Through continuous heart rate monitoring, the device is able to detect an irregular heartbeat and alert the user.
- Blackview R8
- Huawei Watch Buds
Has silent alarm
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
- Blackview R8
- Huawei Watch Buds
Has vibrating alerts
Vibrating alerts have a variety of uses, such as interval training.
- Blackview R8 null
-
- Huawei Watch Buds null
-
Has fall detection
Fall detection is a feature that relies on accelerometers and other sensors to differentiate between regular movement and a fall. If the wearer falls, the device can perform functions such as sounding an alarm or displaying an alert.
- Blackview R8 null
-
- Huawei Watch Buds null
-
Has a stopwatch
With a stopwatch you can time yourself.
- Blackview R8 null
-
- Huawei Watch Buds x GHz
-
Has smart alarm
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
- Blackview R8
- Huawei Watch Buds
Has voice commands
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.
- Blackview R8
- Huawei Watch Buds
RAM
Random-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.
- Blackview R8 null
-
- Huawei Watch Buds 1 years
-
Has a built-in camera remote control function
The device can control your smartphone’s camera remotely (without installing third-party apps), allowing you to take shots even if your phone isn't near you.
- Blackview R8 null
-
- Huawei Watch Buds null
-
Acquires GPS faster
It can periodically download data on the future position of GPS satellites. This enables it to lock on much faster, so you don’t have to wait around to get a GPS fix.
- Blackview R8 null
-
- Huawei Watch Buds null
-
Warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.
- Blackview R8 1
-
- Huawei Watch Buds null
-
DirectX version
DirectX is used in video games, with newer versions supporting better graphics and features. The latest version is DirectX 12 Ultimate, which includes support for ray tracing, mesh shaders, and variable rate shading (VRS).
- Blackview R8 null
-
- Huawei Watch Buds null
-
App & Software
Free app
You can download the app for free, from platforms such as Google Play or the App Store.
- Blackview R8
- Huawei Watch Buds
Has exercise diary
It has an exercise diary, allowing you to easily keep track of your previous workouts.
- Blackview R8
- Huawei Watch Buds
Ad-free
Adverts can be distracting and obtrusive. Apps and blogs without ads are more aesthetically pleasing, nicer to use, and make the content stand out.
- Blackview R8
- Huawei Watch Buds
Has coaching
The app can determine the best way for you to progress in your exercise, and offers coaching advice.
- Blackview R8
- Huawei Watch Buds
Has temperature tracking
You can keep track of your temperature. Temperature data can be used to help work out the most likely time you will be ovulating.
- Blackview R8
- Huawei Watch Buds
Supports routes
You can create or find existing routes to sync to the app.
- Blackview R8
- Huawei Watch Buds
Syncs with existing calendars
You can sync your data to standard calendar apps, such as Apple’s Calendar or Google Calendar.
- Blackview R8
- Huawei Watch Buds
Exports to email
You can export app data to an email address, so you have a backup and can forward it to another person if needed.
- Blackview R8
- Huawei Watch Buds
Doesn’t require account
The app doesn't require you to make an account in order to log in and use the app.
- Blackview R8
- Huawei Watch Buds
Supports widgets
You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.
- Blackview R8
- Huawei Watch Buds
Can be personalised
You can personalize the appearance of the app - for example, choosing a different theme or colors.
- Blackview R8
- Huawei Watch Buds