Fitbit Charge 4 Advanced Fitness Tracker | Black

Indicates whether the product is capable of measuring and recording active minutes, i.e., the duration of physical activity performed by the user.

The colour or combination of colours that a product’s band (e.g., strap, bezel, or other decorative element) is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the band for consumers.

The designation of a product’s band or strap size, expressed as a single label such as "S", "M", "L", "XL" or descriptive terms like "One Size". It indicates the physical dimensions of the band that will fit the device or accessory, helping customers choose a compatible size.

The duration a device can operate on a single charge while using GPS functionality, expressed in standard time units such as hours or minutes. This attribute helps users compare how long the battery will last during navigation or location‑based activities.

The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.

The maximum distance over which a device can reliably transmit or receive signals using Bluetooth technology, expressed in meters. This value represents the effective coverage under typical operating conditions and helps users compare wireless range across devices.

The specific version of the Bluetooth standard supported by a product, expressed as a numeric value (e.g., 4.2, 5.0) or with additional descriptors such as "+HS" or feature lists. This attribute indicates the capabilities and compatibility for wireless communication.

A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.

The total duration required to fully charge a device, expressed in minutes or hours. It indicates how long the battery must be connected to a power source before it reaches full capacity.

The mechanism used to secure a product’s opening or cover, such as zippers, magnetic closures, buckles, straps, snaps, Velcro, or other fastening methods.

The general classification of a product, such as tablet, smartphone, router, or computer. It indicates the primary function or form factor that helps buyers quickly identify and compare similar items.

The technology or mechanism used by a device to detect and measure heart rate, such as optical photoplethysmography or electrical sensing. It indicates whether the sensor uses light absorption, infrared reflection, or other methods to capture pulse data.

Indica el material o la combinación de materiales con los que está fabricado el componente más importante de un producto, como metal, plástico, vidrio u otros compuestos. Este atributo ayuda a comprender la durabilidad, peso y estética del artículo.

The longest linear distance that a strap can extend, expressed with a standard length unit such as centimeters or inches. It represents the maximum usable length of the strap for securing or attaching an item.

The total amount of digital storage available in a device for holding data, program code or firmware, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute helps users understand how much information the device can store and compare storage options across products.

A list of mobile operating systems that the product supports, including specific versions and architectures when relevant. Each value represents a distinct OS that is compatible with the device.

The range of altitudes (in meters) at which a product or component can operate reliably without performance degradation due to changes in atmospheric pressure, temperature, or other altitude‑related effects.

The range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

Indicates the gender or sex classification that a product is intended for, such as male, female, unisex, or other categories. This attribute helps consumers identify items tailored to specific genders or suitable for all.