Specification: Item Type: Digital Voice Recorder_x000D_Material: ABS_x000D_Recording Format: WAV_x000D_Music Format: MP3 WMA WAV_x000D_Built In Polymer Lithium Battery: 300mAh Features: 1NOISE REDUCTION: Voice recorder built in noise canceling chip, significantly reduce noise sound waves, stable recording in complex environments. 2ONE CLICK RECORDING: Voice activated recording device is a one touch on off recording and save, recording in one step. 3ACCURATE TIME STAMP: Digital voice recorder has an accurate time stamp, each file has an accurate recording created time, easy to manage and forensics. 4DIRECT U DRIVE INSERTION: MP3 recorder uses a USB flash drive direct plug, external USB adapter (not included), a one step connection to cell phones, computers. 5RECORD WHILE LISTENING: Voice activated recorder can be connected to external headphones to monitor the sound being recorded to ensure the recording effect. PackageList: 1 x_x000D__x000D_DigitalVoiceRecorder 1 x Charging Cable 1 x Instruction Manual 1 x Earphone