Feature:- This device works as a voice recorder and a MP3 player. With an external microphone, you can also use it as a digital voice recorder for recording lectures, meetings, interviews.- Comes with a built-in rechargeable Li-ion battery and a mini USB input port, which allows you to charge the device directly through your PCs, USB port or adapter with DC5V output.- Ultra-low power circuit design to achieve long time recording, this audio recorder can work continuously for up to 72 hours or more.- Deletion function: Delete MP3 music files and voice files stored in the device. You can choose to delete a single file or all files.- USB connection allows you to upload and download the voice files.With a built-in loudspeaker, you also can enjoy music or recorded voice without an earphone or speaker.- Support automatic voltage detection and voltage protection functions, it will automatically power off after 5 minutes stand-by time.- Just connect the recorder to your computer using the supplied USB cable and drag the files over to your PC.Specification:Memory capacity: 8GB / 16GB / 32GBRecording format: WAV/MP3Music Format: FLAC/APE/OGG/MP3/WMARecord Distance: 3-20mUSB cable length: Approx. 70cmMax Record File Number: 999Battery: Built-in 850mAh lithium batteryRecording hours: 72hours (based on power amount and recording mode)Standby hours: 300hoursPackage Includes:- 1x Voice Recorder- 1x Charger Cable- 1x User Manual