Feature 1 HIGHLY CONCEALABLE: Black mini voice activated recorder is highly concealable and easy to carry by pinning it to any place. 2 BUTTONLESS DESIGN: Mini voice activated sound recorder has multifunctional operation by wire control, with delete function, playback LED indication. 3 LONG LASTING LIFE: Mini digital voice activated recorder has 17 hours of continuous recording, 30 days of standby, and long battery life. 4 AUTO SPLIT RECORDING: Small voice recorder optional voice activated recording 50DB, ADPCM recording 192Kbit. Support MP3, WMA, WAV playback. 5 TIMESTAMP: Micro sound recorder with time stamp, recording file names named after time. Support fast forward and rewind playback.Item Type: Mini Voice Activated RecorderMaterial: ABS, UVFrequency Range: 20Hz-20KHzSignal To Noise Ratio: 90dBSupport System: For Windows 98 ME 2K XP, For WIN7 8 10, For Linux 6.2, For OS 10Built In Polymer Lithium Battery: 120mAh Package List1 x Mini Voice Activated Recorder1 x Earphone1 x Charging Cable1 x Instruction Manual