Item Type: Digital Voice RecorderMaterial: Zinc Alloy, 3D GlassRecording Format: WAV MP3Video Format: AMV AVIResolution: LCM 240x240Support System: For Windows 98 ME 2K XP VIstanbul, For OS X 10Built In Polymer Lithium Battery: 1100mAhPackage List1 x Digital Voice Recorder1 x Charging Cable1 x Instruction Manual1NOISE CANCELLATION: Voice recorder uses AGC dynamic noise canceling stereo silicon microphone, DSP noise reduction chip, 360 degree surround noise reduction recording, clearer sound. 2DUAL MICROPHONE: Voice activated recorder uses graphene diaphragm speakers, stereo playback, brighter and more powerful sound. Dual microphones, perfect for work. 3SEGMENTED RECORDING: Voice recorder supports segmented recording, you can set the segmentation time, automatically record the recording time, accurate to the minute (such as: 20220602142028.WAV). 4SIMPLE OPERATION: Sound recording device is simple to operate, one key to start recording under the power on state, you can set the time to record regularly. 5SUPPORT NOVEL DOWNLOAD: Digital voice recorder supports a large number of TXT, LRC format novels to download and read, support automatic page turning, add bookmarks.