Specification: Item Type: Mini Voice Recorder Material: ABS SNR: 90dB Supported Systems: for Windows 98, for Windows ME, for Windows 2K, for Windows XP, for Windows 7, for Windows 8, for Windows 10, for Linux 6.2, for OS X 10 Built in Polymer Lithium Battery: 3000mAh Features: 1SIMPLE AND ELEGANT: Mini voice recorder is made of premium ABS for safety and durability. Elegant black appearance with magnet attachment for high concealment. 2EASY TO OPERATE: Mini recording device has a buttonless design and is operated by a multifunctional in line control. With delete function playback LED indication. 3RECORDING FUNCTION: Mini voice recorder with ADPCM recording 192Kbit, automatic split recording, loop overlay recording. 4LONG STANDBY TIME: Voice recorder with 500 hours of continuous recording and 365 days standby. Time stamped, time named recording files. 5SUPPORTED FORMATS: Mini voice activated recorder supports MP3, WMA, WAV playback and fast forward and rewind playback. PackageList: 1 xMiniVoiceRecorder 1 x Earphone 1 x Manual 1 x USB Cable