Aver VC520 Pro Extension Speakerphone for VC520 & (up to 3 speakerphones daisy-chain)

Indicates whether a product includes a standard 3.5 mm audio connector, the common analog jack used for headphones, microphones and other audio devices.

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.

A list of product names that are known to work with or be supported by this item, such as models, series, or specific configurations. Each entry represents a distinct product that can be used interchangeably or in conjunction with the current product.

Indicates the mechanism or method used to operate a product, such as buttons, knobs, touch panels, rotary dials, sensors, or other physical or digital controls. The value describes the interaction required by the user and the available options for operating the device.

Indicates the types of headphone or earphone connections available on a product, such as wired jacks (e.g., 3.5 mm), USB‑C, Lightning, or wireless Bluetooth. The value may list one or more connection types separated by commas.

The physical or logical interface used by a device to connect with other components, such as USB, PCI Express, SATA, Ethernet, Thunderbolt, DisplayPort, or similar standards. It indicates the technology that enables data transfer and power delivery between the product and its peripherals.

Represents the count of individual units included in a product offering, such as pieces, packs, or sets. It indicates how many discrete items are available per purchase.