Large storage dictaphone with 8 GB of memory, with a full recharge it can record up to 20 hours of audio, play music for up to 13 hours, it can hold up to 580 hours of recording and 1500 songs. It may also contain other files. Simple operation turn on your voice recorder, press the "REC" key, start recording, press "STOP" to finish recording, then press on PLAY to listen to what you just recorded, then press A-B, to select an important section to repeat. Recording in a clear voice our audio recorder hasrecording with noise reduction, you will get a super clear voice, the dual microphone with good sensitivity will help the device understand the speaker's words well during an interview, lectures, or meetings. Main functions MP3 function, A-B repeat function, VOC & VOR function, USB flash disk, delete data function, supports MP3, WMA, MP1, MP2, WAV recording format. < p>Cute and portable the dimension of this recording studio is 3.5CM *1.5CM *8CM ,Simple design, small and easy to carry, no space, light weight.