Portable Recording Studio - Universal - The Smallest of Mini Clips, USB Pens, Voice Activated, DVRs, MP3 Players, DVRs.(Black) Highlights Universal The Smallest of Mini Clips, USB Pens , voice activation, digital video recorders, MP3 players, digital video recorders.(Black) Mini USB Clamp Mine Activated Digital Voice Recorder with MP3 Player Digital Voice Recorder Functions: Mini Design: 2*0.6*0.3inch, not easy to find. Voice activated recording: set it and forget it, it will start recording when sound detected, pause when there is no sound, auto save when battery is low.(it can't power by the voice, it is still necessary to move the power button to the position and set it the VOR model) MP3 player: It can also create an MP3 player, enjoy the music of the music, also can play recordings. Long time recording, 120mAh battery, make it continuous recording 18 hours. OTG supported, come with OTG cable, you can connect it to Android phone.Reading, transling files, easy to use. Technical parameters: Recording format: WAV Recording rate: 192kbps Battery capacity: 120 mAh Battery life: max 20 hours Microphone: non-direction microphone Compatible: Windows All / Mac OS system Body material : zinc alloy Size: 2*0.6*0.3 inch (5*2.3*1cm) 8G RAM