Techair Classic Essential 17.3" Laptop Backpack For 16 - 17.3" laptops

Indicates whether the product comes with an AC power adapter included in the package. A value of "Yes" means a charger is supplied, while "No" indicates that no charger is provided and the user must obtain one separately.

The range of alternating current voltage that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device across different regions.

The total count of extra pockets or sections within a product that are designed to hold items such as documents, electronics, accessories or other objects. This number indicates how many distinct areas are available for storing and organizing contents beyond the primary compartments.

Indicates whether the device automatically powers down after a period of inactivity or according to a programmed schedule, helping conserve energy and extend component life.

The illumination source used behind a display panel, such as LED, WLED, CCFL or LCD. It determines the brightness, energy consumption and color accuracy of the screen.

The largest laptop diagonal that the bag can accommodate, expressed in inches or centimeters. It indicates the maximum screen size that will fit inside the bag’s interior.

The general category or style of a bag, such as backpack, messenger, clutch, tote, or sleeve. It helps buyers quickly identify the intended use and compare similar products.

Indicates whether a device’s battery level is being displayed or monitored, typically via an LED, screen icon, or other visual cue. A value of "Yes" means the indicator is present and active; "No" means it is absent.

The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.

A list of brand names that the product is compatible with. Each entry represents a manufacturer whose products can be used with or alongside the item.

The linear distance that a cable covers, expressed with a length unit such as meters, centimeters or inches. It represents the total usable length of the cable for connecting devices.

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.

Indicates whether the device includes a built‑in card reader that can read removable memory cards such as SD, microSD, MMC or similar formats.

The primary way a product is carried or supported, such as by hand, shoulder strap, backpack, belt, or other carrying mechanisms. This attribute helps users understand how the item can be transported and what accessories are required.

A list of the different strap options that a product offers for carrying, such as shoulder straps, top‑carry handles, waist straps, or removable/adjustable straps. The value is a comma‑separated list of strap types that can be used individually or in combination to transport the item.

A list of device types, brands or specific models that the product can accommodate or work with. The values are free‑text strings such as "Laptop", "Tablet", "iPad Pro (12.9 inch)" or brand/model combinations like "Samsung Galaxy Tab S4 (10.5 inch)", allowing customers to quickly see which devices the item supports.

A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.

The arrangement or grouping of integrated chips within a component, such as a motherboard or memory module. This attribute helps users understand how the chips are physically and functionally organized, providing insight into the product’s architecture and potential performance characteristics.

The chipset is the collection of integrated circuits that manages communication between a computer’s CPU, memory, and peripheral devices. It defines the supported processor families, available I/O interfaces, and overall system capabilities, allowing users to understand compatibility and feature sets for motherboards or other hardware components.

Indicates whether the product includes a clock or time‑keeping feature that can display or keep track of time. A value of "Yes" means the device has a functional clock, while "No" indicates it does not.

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 colour or combination of colours that a product 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 item for consumers.

List of the memory card types that a device can read or write, such as MicroSD (TransFlash), SD, MMC, CompactFlash, and others. Each value represents a format that the device’s slot or reader supports for storage expansion.

A list of the electrical plug or socket types that a product can accept, such as UK, EU, US, AU, JP, etc. Each value represents a distinct plug configuration that the device is designed to accommodate, allowing users to determine if it will fit their local outlets.

The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.

The highest theoretical speed at which a device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across devices and interfaces.

The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.

The total number of text lines that a device’s built‑in or external display can show at once. It indicates how many separate rows of characters are visible on the screen, which is useful for understanding readability and interface layout.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

Indicates whether the product includes an Ethernet LAN interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.

Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

List of physical or logical interfaces that allow communication between a host device and other components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, or similar standards.

The electrical current drawn by a device when powered, expressed in amperes (A). It indicates how much current the product consumes from its power source during normal operation and can be used to assess compatibility with power supplies or USB ports.

A list of the physical or logical interfaces that a product can use to connect with other devices or components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, and similar standards.

A concise description of the keyboard’s configuration, including its key arrangement (e.g., QWERTY, UK Layout), illumination type (backlit, RGB, per‑key), and any additional characteristics such as spill resistance, numeric keypad, or ergonomic design. The value is a comma‑separated list that may contain multiple attributes.

The arrangement of keys on a keyboard, indicating the language or region it supports (e.g., QWERTY, UK QWERTZ, AZERTY). This attribute helps users identify which typing layout is available for the device.

The total count of individual key switches or buttons present on a keyboard device, including alphanumeric keys, function keys, navigation keys, and any additional special keys such as media controls or macro keys.

The diagonal measurement of a laptop’s display that the product can accommodate, expressed in inches or centimeters. It indicates the maximum screen size that will fit within the device’s enclosure or mounting area.

A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.

Indicates whether a product is compatible with Apple Mac computers or macOS operating systems. The value can be "Yes" if the device supports Macs, or "No" if it does not.

A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.

The material indicates the type of substance from which a product is made, such as metal, plastic, wood, glass, or composite materials. It helps users understand the product’s durability, weight, appearance, and suitability for specific applications.

The largest capacity of a removable memory card that the device can support, expressed as a digital storage size (e.g., megabytes or gigabytes). It indicates the maximum amount of data that can be stored on an inserted card and is useful for comparing devices with different card slot capabilities.

The highest pixel dimensions that a device can output or support, expressed as width by height (e.g., 1920x1080). It indicates the maximum resolution available for display content on the product.

Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.

Indicates whether a printer can produce mirrored (flipped) output, such as left‑to‑right or top‑to‑bottom inversion of the printed image. A value of "Yes" means the device supports this feature; "No" indicates it does not.

The overall size of a notebook that is compatible with a product, expressed as length × width × height in linear units such as centimeters or inches. This attribute helps customers determine whether the notebook will fit into the product’s compartment or enclosure.

The total count of battery cells that the product can accommodate or use. The value may be a simple integer (e.g., "4") or include the type of battery (e.g., "2x AAA"). It indicates how many individual batteries are required for operation, whether they are included in the package or need to be purchased separately.

The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.

The electrical current drawn by a device from its power source, expressed in amperes (A). It indicates how much current the product consumes during normal operation and helps determine compatibility with power supplies or USB ports.

Indicates whether the product can be used immediately after installation without requiring additional configuration or drivers.

The main electrical supply that powers the device, such as mains electricity (AC), battery, USB power, PoE, or a combination of these options.

Indicates whether the product supports a print preview feature, allowing users to view and adjust how documents or images will appear before sending them to a printer or label maker.

Indicates whether a quick‑start guide is provided with the product. A value of "Yes" means that a brief, introductory manual or overview is included to help users get started quickly; "No" indicates that no such guide is supplied.

Indicates whether the product is manufactured in accordance with the RoHS (Restriction of Hazardous Substances) directive, which limits the use of certain hazardous materials in electrical and electronic equipment.

Indicates whether the device supports UASP (USB Attached SCSI Protocol), which allows faster data transfer over USB by reducing CPU overhead and improving performance for storage devices.

Indicates whether the product can print while positioned vertically, such as on a vertical label printer or device that supports upright printing. A value of "Yes" means the device is capable of handling vertical orientation; "No" indicates it only prints in horizontal mode.

The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.