Product Description This is a Panasonic IC recorder, model RR-US330-K (black). It's a simple and easy-to-use IC recorder with 2GB of internal memory. It supports USB connection, allowing for easy transfer of recorded audio data to a computer. It can be used for a wide range of purposes, such as meetings, lectures, interviews, and memo recording. It has a built-in microphone and also features an external microphone jack (φ3.5mm, plug-in power compatible). It runs on a single AAA battery, making it easy to prepare spare batteries and suitable for long hours of use. Main Specifications ・Internal memory capacity: 2GB ・Recording time 　XP Mono: Approximately 22 hours 　LP Mono: Approximately 44 hours 　SLP Mono: Approximately 133 hours ・Maximum number of files: 199 files ・USB: USB 2.0 (Hi-Speed) Size and Weight ・Maximum external dimensions: Approximately Height 107.8 × Width 37.5 × Depth 15.7mm ・Body dimensions: Approximately Height 107.5 × Width 37.0 × Depth 15.0mm ・Weight: Approximately 39g (without battery) / Approximately 50g (with battery) Terminals ・Headphone jack: φ3.5mm ・Speaker: φ20mm ・External microphone jack: φ3.5mm stereo (plug-in power compatible) Additional Notes ・This is a used item. ・Please understand that there may be minor scratches or wear and tear from use. ・Please refrain from purchasing if you are looking for a perfect, like-new condition.