Huami Technology

Size of the display for this product, measured diagonally, usually in inches.

Display diagonal

The technology used in the display e.g. plasma, LED.

Display technology

Brightness is the amount of radiating light emitted from the screen. The brightness rating is measured in candellas per square meter, commonly known as 'nits'.

Display brightness

The number of individual pixels displayed per inch of linear screen space, measured in pixels per inch (ppi).

Pixel density

Display type

The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.

Display resolution

A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.

Touchscreen

The material from which the front of a watch is made e.g. mineral, crystal, plastic, resin, sapphire.

Watch glass type

Product has a built-in light source for its illuminating.

Backlight

Display

The type of substance the wristband is made of.

Band material

The physical dimensions of the strap, typically categorized by standard sizes (e.g. S, M, L) to ensure a proper fit around the wrist.

Band size

The external form, contours, or outline of the product.

Shape

The minimum and maximum circumference of the wrist that the product is designed to fit, typically measured in millimetres or centimetres.

Wrist size range

Under which category can the device be positioned in the market, e.g. camera phone.

Market positioning

The diameter or width of the outer housing of the device, measured in millimetres (e.g. 42 mm).

Watch case size

The colour of the outer housing that protects the internal components (e.g. Anthracite or Bordeaux).

Watch case colour

The primary substance used to construct the outer housing of the device (e.g. Aluminium, ABS, or Bamboo).

Watch case material

The colour of the band, also known as the strap, of watches etc.

Band colour

Indicates whether the device uses a magnetic attachment system to connect the charging cable to the power port.

Magnetic charging connector

The maximum depth to which the product can be submerged without water penetrating the casing, measured in m.

Waterproof up to

The maximum pressure the device can withstand while submerged, measured in ATM.

Water resistance

Design

The operating systems e.g. Android, iOS, that can be used with the mobile device.

Mobile operating systems supported

Type of operating system on a device e.g. IOS on Apple devices, Android for mobile devices.

Operating system installed

Microphone that is found inside the product.

Built-in microphone

The device contains speaker(s) to produce sound.

Built-in speaker(s)

Built-in camera

Performance

Indicates whether the device has a built-in sensor to measure the user's heart rate.

Heart rate monitor

Indicates whether the device is equipped with a sensor to measure oxygen saturation levels.

Blood oxygen sensor

Indicates whether the device can monitor and detect signs of sleep apnea during rest.

Sleep apnea detection

Indicates whether the device includes a built-in sensor to detect acceleration forces and orientation changes.

Accelerometer

Indicates whether the device is equipped with a gyroscope to detect and measure orientation and angular velocity.

Gyroscope

Indicates whether the device can monitor and analyze the quality of the user's sleep.

Quality of sleep

Indicates whether the device has an integrated function to measure and display the current speed of movement.

Built-in speedometer

Indicates whether the device is equipped with a sensor that detects the intensity of surrounding light to automatically adjust settings.

Ambient light sensor

Indicates whether the device can receive and display alerts from a connected smartphone, such as messages or app notifications.

Smart notifications

Indicates whether the device can display current weather conditions and forecasts on its screen.

Weather display

Indicates whether the device can receive and display short message service alerts.

SMS notifications

Electronic instrument used for navigation that shows directions in a frame of reference (north, south, east, west) that is stationary relative to the surface of the earth.

Electronic compass

Indicates whether the device is equipped with a sensor to detect the Earth's magnetic field, typically used for digital compass functionality.

Geomagnetic sensor

Indicates whether the device has a built-in sensor to measure the temperature of the skin.

Skin temperature sensor

Indicates whether the device can track and analyze physiological signs of stress.

Stress monitoring function

Device has built-in barometric altimeter to indicate altitude.

Barometric altimeter

Indicates whether the device includes a built-in alarm clock function.

Alarm clock

Stopwatch

Indicates whether the device supports the creation and tracking of workouts consisting of alternating periods of high and low intensity.

Interval training

Indicates whether the device provides data regarding sunrise and sunset times.

Sun & moon information

Indicates whether the device can display the current time for multiple different time zones simultaneously or sequentially.

World time function

Specifies the types of sports or physical exercises the device is optimized to track, such as Basketball or Core training.

Recommended activity

Indicates whether the device can trigger an alert on a paired smartphone to help locate it.

Find my phone function

Indicates whether the device includes a feature to help the user maintain a specific target pace during a workout.

Virtual pacer function

Indicates whether the device provides alerts to notify the user of incoming calls.

Call notifications

Features

Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. The system provides critical capabilities to military, civil and commercial users around the world. It is maintained by the United States government and is freely accessible to anyone with a GPS receiver.

GPS (satellite)

Network

Indicates whether the device supports Bluetooth Low Energy for power-efficient wireless communication.

Bluetooth Low Energy (BLE)

Indicates whether the device supports short-range wireless connectivity for exchanging data between devices in close proximity.

Near Field Communication (NFC)

Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.

Wi-Fi

The type of bluetooth technology in the product e.g. Bluetooth Smart (v4.0).

Bluetooth version

Ports & interfaces

Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).

Battery type

The total length of time that the battery in the product will last.

Battery life

The estimated duration the device can operate on a single charge while the GPS tracking function is continuously active, typically measured in hours.

Battery life (GPS mode)

Power

The total number of predefined athletic activity profiles available for tracking and data analysis.

Number of sports modes

Other features

A measure of the charge stored by the battery. Determined by the mass of active material contained in the battery.

Battery capacity

Battery

List of compatible third-party software applications used to track and analyze athletic performance (e.g., Nike+ or Strava).

Sports activity apps

Software

The measurement or extent of something from side to side.

Width

The distance from the front to the back of something.

Depth

The distance through an object, as distinct from width or height.

Thickness

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

Weight

Weight & dimensions

Indicates whether a printed user manual is included in the package.

Manual

Indicates whether the product is supplied with or supports a dedicated base for recharging the battery.


Charging base

Packaging content

T-Rex Ultra 2

Amazfit T-Rex Ultra 2 129.5 cm (51") AMOLED 51 mm Digital 480 x 480 pixels Touchscreen Titanium Wi-Fi GPS (satellite)

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