Item Type: Voice RecorderMaterial: ABSModel: Q38Recording Format: WAVInterface: Type CSampling Rate: 48kHzRecording Bit Rate: 192kbpsBattery Type: Lithium BatteryBattery Capacity: 220mAh (Built-In)Package List1 x Voice Recorder1 x Earphones1 x Converter1 x USB Cable1 x Manual 1Built in professional grade powerful noise reduction chip, bringing you higher fidelity and clearer recording sound quality and playback. 2ADPCM recording 192Kbit, optional voice control recording 50DB, automatic split recording, loop overwrite recording. 3Support MP3/ WMA/WAV playback, support fast forward and rewind playback, with time stamp, recording file name is named by time. 4When the battery is low, the recorder will automatically save the file and shut down to ensure that the recording data is not lost. 5Novel pendant design, more convenient to carry and record to be sure that it will fit anywhere and anytime in your daily routine.