<p>describe</p> <p>color: grey&nbsp;</p> <p>Size: 83*33*13mm</p> <p>Long recording time: Built-in rechargeable lithium battery allows you to record 20 hours and play 7 hours</p> <p>Small size: Portable and compact, you can take it with you wherever you go.</p> <p>Record Life: Great for recording your life to keep memory in audio type.</p> <p>Application: Can be widely used for semi-annual lectures, lectures, speeches, interviews, conferences, group talks, podcast recordings. Perfect for students, professors, teachers, business people, writers, bloggers.</p> <p>One-key recording: One-key recording function, just press REC to start recording.</p> <p>Clear Sound: Excellent MP3, WAV recording format with capacitive recording for clearer sound. With the recording automatic gain (AGC) function, you can easily enjoy clear recording and playback.</p> <p>Number of folders: 199 files</p> <p>Recording format: WMA format (128Kbps), 32KHz sampling frequency-384KHz sampling frequency</p> <p>Frequency: 24Hz</p> <p>Recording power: 7mA-12mA</p> <p>Actual maximum output: (L) 9mW＋(R) 9mW (32Ohm)</p> <p>External input: headphone 3.5pie stereo jack</p> <p>External microphone: 3.5pie stereo jack</p> <p>USB: In-line PC Interface USB1.1/USB2.0 FULL Speed</p> <p>Built-in speaker output: 800mW</p> <p>Built-in speaker: Dynamic 26mm, 8ohm</p> <p>Built-in MIC: Non-directional condenser microphone</p> <p>S/N (Noise Ratio): 90dB</p> <p>Power supply mode: rated voltage lithium battery (230MA): 3.6V-4.2V</p> <p>USB input rated voltage/power: 5V300MAH-5V1000MAH</p> <p>Storage: Embedded Flash</p>