Welcome to our store！</br> 1、Turn 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. 2、Our voice recorder is made of metal, the color is black, and it has a built in 260mAh lithium battery. 3、The recorder provides a playback recording mode, and the phone recording function allows you to record detailed calls. 4、The music formats supported by this recorder are MP3, WMA, FLAC, APE, and the frequency range is 20Hz to 20KHz. 5、Supported operating systems includes: for Windows 2000 and above, for Android 4.0 and above, for OS X 10.0 and above. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type:&nbsp;Digital&nbsp;Voice&nbsp;Recorder Model: N1 Material: Metal Colour: Black Function: Recording, Music Playback Screen: 80x160 Color Screen USB interface: Micro USB Music Format: MP3, WMA, FLAC, APE WAV Format Bit Rate: 512Kbps, 768Kbps, 1024Kbps, 1536Kbps MP3 Format Bit Rate: 32Kbps, 64Kbps, 128Kbps, 192Kbps Frequency Range: 20Hz to 20KHz Signal to Noise Ratio:&gt; 80dB Distortion: 0.05% Battery Type: Built in 260mAh Lithium Battery Supported operating systems for Windows 2000 and above, for Android 4.0 and above, for OS X 10.0 and above <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Recording Pen 1 x Earphone 1 x Data Line 1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>