Specification: Item Type: Mini Recorder_x000D_Material: Zinc Alloy_x000D_Recording Format: WAV_x000D_Playback Format: MP3, WMA, WAV_x000D_Built in Polymer Lithium Battery: 140mAh Features: 1Key Shape: Mini recorder with UV process, simple black appearance, can be used as a key, from the appearance is not easy to be found. 2Multi Function: Mini voice recorder with one key recording, with local deletion function, designed with play LED light indication, easy to use. 3Voice Activated: ADPCM recording 192Kbit, optional voice control recording 50DB, automatic split recording, loop overlay recording. 4Playback Format: This small recorder supports MP3, WMA, WAV playback format, and support fast forward and fast backward playback. 5Time Naming: Pocket recording device with time stamp, recording file name named after time, convenient for you to organize and manage files. PackageList: 1 x_x000D__x000D_MiniRecorder 1 x Instruction Manual 1 x Charging Cable 1 x Earphone