Sennheiser SP 30+ USB Bluetooth Speakerphone

Indicates whether the product has a built‑in automatic function that performs an action without user intervention, such as auto‑start, auto‑shutdown, or auto‑mode selection.

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

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.

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.

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

The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.

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.

The longest period a device can operate on a single charge before needing to be recharged, expressed in standard time units such as hours or minutes.

Indicates whether the product includes a built‑in microphone. A value of "Yes" means the device has at least one integrated microphone, while "No" indicates no built‑in microphone is present.

The span of audible frequencies that a microphone can accurately capture, expressed as a minimum and maximum value in hertz (Hz). It indicates the lowest and highest tones the device can reproduce or record, helping users assess suitability for different audio applications.

The total count of microphones integrated into a device. This value indicates how many separate audio input channels are available for recording or voice‑recognition functions.

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

The version and configuration of the USB interface supported by the product, such as USB 2.0, USB 3.1, or Type‑C connectors with their respective speeds and connector counts.