Portable Recording Studio - Universal - Professional 16GB Mini Digital Portable Stereo Tape Recorder for MP3 Player | Digital Tape Recorder(Black) Highlights Universal 16GB Mini Digital Professional Portable Stereo Tape Recorder for MP3 Player | Digital Tape Recorder(The Black) 16GB Digital Voice Recorder Professional Handheld Stereo Stereo Mini Digital Business Recorder with MP3 Player | Digital Voice Recorder 16GB Digital Voice Recorder STEREO PORTABLE STEREO PEN MINI DIGITAL FOR BUSINESS WITH MP3 PLAYER Details: Memory Capacity: 16GB Display: 128 x 64lattice screen Midea Storage: Built-in flash MIC: omni-directional microphone External input : Stereo earphone: 3.5mm stereo jack Microphone: 3.5mm stereo jack USB cable: USB 1.1 / USB2.0 PC interface Recording format: MP3 Supported music file: MP3 / WMA Record time: HQ (128Kbps): 7680mins SP (64Kbps): 16920mins LP (32Kbps): 33120mins Frequency: 20Hz-20kHz Max Output: 300mw S/N (Ratio): 80dB Extenal: 20mm dynamic range, 16ohm Playback: up to 13 hours USB support: Windows 2000 and above, not for Mac.os system. (Not for win 8) Operating temperature: 0CentiGrade~60CentiGrade Battery (full charge): Recording: up to 20 hours Playback: up to 13 hours