1、Key Shape: Mini recorder with UV process, simple black appearance, can be used as a key, from the appearance is not easy to be found. 2、Multi Function: Mini voice recorder with one key recording, with local deletion function, designed with play LED light indication, easy to use. 3、Voice Activated: ADPCM recording 192Kbit, optional voice control recording 50DB, automatic split recording, loop overlay recording. 4、Playback Format: This small recorder supports MP3, WMA, WAV playback format, and support fast forward and fast backward playback. 5、Time Naming: Pocket recording device with time stamp, recording file name named after time, convenient for you to organize and manage files. Item Type: Mini Recorder Material: Zinc Alloy Recording Format: WAV Playback Format: MP3, WMA, WAV Built in Polymer Lithium Battery: 140mAh 1 x Mini Recorder 1 x Instruction Manual 1 x Charging Cable 1 x Earphone