Specification: Item Type: Mini Voice Recorder_x000D_Material: ABS_x000D_Recording Format: WAV_x000D_Music Format: MP3, WMA, WAV_x000D_Built in Polymer Lithium Battery: 110mAh Features: 1EASY TO USE: Mini voice recorder supports one key to start recording, slide the switch up to start recording, easy to use and long life. 2WIDE APPLICATION: Mini recording device can be used for classroom learning records, business meeting exchange records; with hook design, and can suspend keys. 3VOICE ACTIVATED: Portable voice recorder uses intelligent voice activated recording technology to record when there is sound and listen when there is no sound, and supports listening while recording. 4NOISE REDUCTION: Voice activated recorder using noise reduction chip, recording stability in complex environments, significantly reduce noise, restore clear sound. 5MULTI FORMAT PLAYBACK: Mini MP3 recorder supports WMA, MP3, WAV and other sound files playback, built in an ear amplifier chip, support for headphone playback. PackageList: 1 x VoiceRecorder 1 x InstructionManual 1 x ChargingCable 1 x Earphone