Product Overview The Sony ICD-PX470 is a compact and reliable digital voice recorder designed for clear voice capture in lectures, meetings, interviews, and personal notes. Equipped with Sony’s high-sensitivity S-Microphone, intelligent noise reduction, and direct USB connectivity, it delivers excellent sound quality with simple operation. Key Features 🎤 High-Quality Voice Recording Records in MP3 and Linear PCM (WAV) formats High-sensitivity S-Microphone captures distant and low-level sounds clearly Auto Voice Recording reduces background noise and enhances speech clarity 🎧 Smart Recording Modes Focus Mode – Ideal for single speakers or interviews Wide Stereo Mode – Best for meetings and classroom recordings Built-in scene presets: Meeting, Interview, Dictation, Music 📁 Storage & File Management 4 GB internal memory (up to approx. 55 hours of MP3 recording) microSD card support up to 32 GB for extended recording time Calendar Search for fast and easy file location 🔊 Playback & Transcription Support Adjustable playback speed from 0.25× to 3× Clear Voice Playback improves speech intelligibility Dedicated transcription-friendly playback controls 🔌 Easy USB Connectivity Built-in USB connector (no cable required) Plug directly into a computer to transfer files or charge (data transfer) 🔋 Long Battery Life Powered by 2 × AAA batteries Up to 55 hours of recording time (MP3 mode) Technical Specifications Specification Details Recording Formats MP3, Linear PCM (WAV) Internal Memory 4 GB (approx. 3.2 GB usable) Expandable Storage microSD / microSDHC up to 32 GB Microphone Built-in high-sensitivity S-Microphone Playback Speed 0.25× – 3× Speaker Built-in mono speaker (approx. 20 mm) Connectivity USB Type-A (built-in), Mic input, Headphone output Power Supply 2 × AAA batteries Battery Life Up to approx. 55 hours (MP3) Dimensions Approx. 38.3 × 114.1 × 19.3 mm Weight Approx. 74 g (with batteries)