Olympus VN-541PC Voice Recorder with Carrying Case

The total amount of digital storage available in a device’s built‑in memory component, such as an internal hard drive or solid‑state drive, expressed with an appropriate unit (e.g., GB, MB). This attribute helps users understand how much data the product can store without external media.

A list of standard battery form factors that the product can accommodate or charge, such as AA, AAA, C, D, 9V, and coin‑cell types. Each value represents a distinct physical size or shape that the device recognizes.

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.

A list of the physical or digital media formats that a product can read, write, or otherwise interact with, such as DVDs, CDs, Blu‑ray discs, flash drives, paper sizes, and other storage or display media.

The directional sensitivity of a microphone, indicating how it captures sound from different angles. Common patterns include omnidirectional (equal pickup from all directions), unidirectional or cardioid (focused on one direction), bidirectional (pickup from two opposite directions), and supercardioid or hypercardioid (narrower focus with some rear pickup). This attribute helps users choose a microphone that best suits their recording environment, whether they need wide coverage for group discus

The total duration that a media item or device operates before needing recharge or maintenance, expressed in standard time units such as minutes, hours, or days.

Indicates whether a product includes a pouch or protective case as part of its standard packaging or accessories.