Sony The ICD-PX470 Voice Recorder, 4GB, Black, Supports PCM Linear Recording, Portable For Study, Business Interviews, Professional Large-Diameter Speakers, Intelligent Noise Reduction, Wide Stereo Recording, And An S-Mic High-Sensitivity Microphone.

This product only supports Simplified Chinese and English. Product Accessories: SONY ICD-PX470 main unit (black), 2 AAA alkaline batteries, instruction manual Dimensions: 38.3 mm * 114.1 mm * 19.3 mm Weight: Approx. 74g Including Battery Memory Capacity: 4 GB (Approx. 3.20 GB = 3435973837 bytes of usable space) Supports TF card expansion Power Supply: Battery powered (Built-in USB connector is for data connection only; rechargeable batteries are recommended) Battery Specifications: Two LR03 (AAA) alkaline batteries (included) Recording Format: Linear PCM/MP3 Audio Playback Format: MP3/WMA/WAV/M4A Recording Duration: Approx. 59 hours 35 minutes at 128kbps MP3