Item Type: Voice RecorderMaterial: Aluminum AlloyBattery Type: Built in 1600mAh Li Ion Battery (Included)Screen Type: 128 x 64 LCD ScreenMemory: 32GBRecording Format: WAVSound Format: MP3, WAVInterface: USB2.0Earphone Jack: 3.5mm/0.1inMicrophone Jack: 3.5mm/0.1inPackage List1 x Voice Recorder1 x Earphone1 x Microphone1 x Data Line 1 x Manual1VOICE ACTIVATED: Voice recorder supports voice activation to pick up only spoken words, no more silent whispers or snippets in the recording. Save space and your listening time. 2AB REPEAT FUNCTION: This voice recorder also helps you learn the language by going from the selected starting point A to the end point B to review the lesson without having to go backwards or forwards. 3FILE TRANSFER SUPPORT: The digital voice recorder supports recording files in MP3 or WAV format. You can connect to your computer via the Micro USB cable to easily transfer files. 4SENSITIVE AND EASY TO OPERATE: This recorder is upgraded with a more sensitive microphone, so you can enjoy premium sound. Three keys to record, save and play, simple and easy to operate. 5PLAYER FUNCTION: Not only is it a pocket voice recorder, but also an MP3 music player. With earphone, you can use it to listen to music after lectures, classes or meetings for relaxation.