Item Type: Digital Voice RecorderModel: N1Material: MetalColour: BlackFunction: Recording, Music PlaybackScreen: 80x160 Color ScreenUSB interface: Micro USBMusic Format: MP3, WMA, FLAC, APEWAV Format Bit Rate: 512Kbps, 768Kbps, 1024Kbps, 1536KbpsMP3 Format Bit Rate: 32Kbps, 64Kbps, 128Kbps, 192KbpsFrequency Range: 20Hz to 20KHzSignal to Noise Ratio:> 80dBDistortion: 0.05%Battery Type: Built in 260mAh Lithium BatterySupported operating systems for Windows 2000 and above, for Android 4.0 and above, for OS X 10.0 and abovePackage List1 x Recording Pen1 x Earphone1 x Data Line1 x Manual1Turn the power button on the upper left corner to turn on, adjust to the recording function and start recording. This recorder also supports U disk. 2Our voice recorder is made of metal, the color is black, and it has a built in 260mAh lithium battery. 3The recorder provides a playback recording mode, and the phone recording function allows you to record detailed calls. 4The music formats supported by this recorder are MP3, WMA, FLAC, APE, and the frequency range is 20Hz to 20KHz. 5Supported operating systems includes: for Windows 2000 and above, for Android 4.0 and above, for OS X 10.0 and above.