Feature 1 Easy To Use: Mini recorder adopts one key recording, with deletion function and playback LED light indication, simple and convenient to use. 2 Voice Activated: ADPCM recording 192Kbit, optional voice activated recording 50DB, automatic split recording, loop overlay recording. 3 Playback Format: This recorder supports MP3, WMA, WAV playback format, support fast forward, fast backward playback. 4 Built In Timestamp: Mini voice recorder with timestamp, the recording file name is named after time, convenient to organize the file. 5 Long Battery Life: Rechargeable recorder with built in 140mAh battery provides long time recording, suitable for meetings, classes, interviews, etc.Item Type: Mini RecorderMaterial: Zinc AlloyRecording Format: WAVPlayback Format: MP3, WMA, WAVBuilt in Polymer Lithium Battery: 140mAh Package List1 x Mini Recorder1 x Instruction Manual1 x Charging Cable 1 x Earphone