Feature:1. Multi Application: Mini recorder is made of premium CNC aluminum alloy with black appearance, suitable for class, meeting, interview, etc.2. Easy To Use: Digital voice recorder with one key recording, with delete function, playback LED light indication. Support continuous 15 hours recording, standby for 30 days.3. Voice Activated: Small recorder, ADPCM recording 192Kbit, optional voice activated recording 50DB, automatic split recording, loop overlay recording.4. Built In Timestamp: This voice recorder with timestamp, the recording file is named after time, easy to find. It is also convenient to manage recording files.5. Support Playback Format: Small recording device, support for MP3, WMA, WAV format playback, and support fast forward and backward playback.Specification:Item Type: Mini Voice RecorderMaterial: Aluminum AlloyColor: BlackFrequency Range: 20Hz-20KHzSNR: 90dBSupport System: For Windows 98 ME 2K XP 7 8 10, for Linux 6.2, for OS X 10Built in Lithium Polymer Battery: 90mAh.Package List:1 xMini Voice Recorder1 x Earphone1 x Charging Cable 1 x Instruction Manual