Portable Recording Studio - Universal - 32GB Digital Tape Recorder USB Pen Built-in Microphone MP3 Player Tape Recorder Audio Interview Recorder with VAR/VOR |(Black) Highlights Universal 32GB Digital Tape Recorder USB Pen Built-in Microphone MP3 Player Tape Recorder Recorder Interview Recorder with VAR/VOR |(Black) 32GB Digital Voice Recorder USB Pen Built-in Microphone MP3 Player Dictaphone Audio Interview Recorder with Var/Vor | Digital voice recorder specification Memory: 32GB Recording format: MP3, WMV Recording rate: 1536 Kbps Recording storage: high quality recording for 96 hours / normal recording for 136 hours Recording sources: telephone recording, microphone Built-in Battery: 220mAh (can record for about 15 hours) Supported Systems: Windows 2000 / XP / 7 / Vista / 8 / iOS Product Dimensions: 3.8 x 1.3 x 0.47 in. Package Included: 1 x Voice Recorder 1 x Earphone 1 x USB Cable 1 x Microphone 1 x Audio Cable 1 x Telephone Cable 1 x English User Manual 1 x Telephone/Recording Junction Box