Portable Recording Studio - Universal - 16GB Mini Tape Recorder, One-Click Digital Audio Recorder, Built-in HD Microphone, Digital Tape Recorder |(Black) Highlights Universal 16GB Mini Tape Recorder, One-Click Digital Audio Recorder, Built-in HD Microphone, Digital Tape Recorder |(Black) 16GB Mini Voice Recorder One Click Recorder Digital Sound Recorder with Clip Built-in HD Microphone Digital Voice Recorders | Digital Voice Recorder 16GB Voice Recorder Badge MINI Digital Dictaphone Sound Recorder with Built-in HD Microphone Clip for Students Specification: Body material: CNC copper-titanium alloy Recording format: WAV Recording time: 38 hours recording continuous recording Standby time: 68 hours Recording method: one key recording, one key saving, one key play/pause Microphone: built-in high-definition microphone Sampling rate: 48kHz Bit: 192kbps Size: 35*35*15mm