Professional voice recorder chip, high-definition recording Timestamp, automatically name the recording file by date AGC function, automatically adjust the noise source Voice recorder, MP3 player and USB flash drive Support voice-activated recording Detect low battery and automatically save recording files Playback function: one-click recording/saving Plug in headphones to listen to music USB adapter Long battery life Built-in rechargeable 150mAh lithium battery USB 2.0 connector for easy upload and download of files Recording format: WAV/192kpbs Music playback format: WMA/WAV/MP3/OGG and other audio formats Battery recording time: about 15 hours Battery playback time: about 10 hours Battery: 150mAh lithium battery Battery charging time: about 2 hours Signal-to-noise ratio: 80db USB interface: USB 2.0 high speed 16GB Save recording time: about 188 hours Working temperature: -5 to 40 degrees Recording sampling rate: 48KHZ Headphone jack: USB jack Compatible system: Windows 2000 and above Color: Silver, Material: Plastic Package Contents: 1 x Mini Recorder Only the above package contents are included, other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3 cm.