Item Type: USB Voice RecorderMaterial: ABSRecording Format: WAVMusic Format: MP3, WMA, WAVBuilt in Polymer Lithium Battery: 120mAhPackage List1 x USB Recorder1 x Instruction Manual1MULTI PURPOSE: Digital USB voice recorder is a recorder, is also a U disk, plug directly into the computer to use, say goodbye to the tedious data cable. 2NOISE REDUCTION: USB voice recorder built in noise reduction chip, significantly reduce noise sound waves, stable recording in complex environments. 3SUPPORT FOR CELL PHONES: Adapter (not included) in turn with the U disk recorder and for Android phones connected to play the sound. 4RECORD RECORDING TIME: Recording generation then automatically and accurately record the recording time, easy to manage and query. 5AUTO SAVE FILE: Automatically save the file when the system detects that the power is low, and then shut down the phone.