Portable dictaphone(80*25*10mm--size like lipstick; 52g) built-in 64GB internal memory, can store recordings(Voice Mode) from 48 hours(WAV 1536 kbps) to 2320 hours(MP3 32 kbps) or 8000 songs(Music Mode). Built-in 400mAh rechargeable lithium battery, support up to 13 hours continuous recording after 3 hours single fully charged. Charges or transfer files via supplied Micro-USB cable. Suitable recording device for lecture, meeting, interview, class and so on.The voice recorder equipped with professional recording chip, double built-in dynamic noise cancellation microphones, efficiently reduce background noise, supports up to 1536kbps stereo audio recordings. Built-in speakers can playback recordings and music clearly and loudly without connect to a computer or other device.The files are saved in MP3/WAV format. The sound recorder can also be used as MP3 player or flash drive that compatible with Windows and Mac.When the "VOR" function is activated, the sound will be detected automatically during recording. When the sound is lower than the certain decibel standard, the recording will pause after about 2 seconds. When the sound reaches the decibel standard, the sound recorder will restart recording. Which can avoid invalid recording, save storage space. Note: must turn on the "VOR" voice activated function in the "Setting Mode" could achieve this function.Simple operation with one button to record or save. Turn on the recorder and slide the "REC" button up to start recording. Once done recording, slide the "Save" button down and the recording will be saved. Long press "M" button back to the main interface. The dictaphone also has the functions of automatic save, A-B repeat, fast forward & rewind forward(16 variable playback speed), time stamp, timed recording, segmented recording, recording monitor, password protection, etc.