1、[Voice Activated Recording]: The digital voice recorder will record when there is sound, and will pause automatically when there is no sound, which can effectively save storage space. 2、[Versatile Functionality]: The voice activated recorder is not only a voice recorder, but also functions as a USB flash disk and MP3 player, offering the convenience of three devices in one compact package. 3、[Noise Reduction]: The portable voice recorder can effectively reduce the noise interference of the sound source during the recording process, ensure the sound sampling rate. 4、[Automatic Saving]: The sound recording device will automatically save the file to ensure that the recording data will not be lost when the system detects low power. 5、[Simple Operation]: The digital voice recorder has simple operation, press the button to start recording, and press the button again to automatically save and shut down. Item Type: Digital Voice Recorder Material: ABS Color: Black Size: Approx. 5.1 x 2.0 x 0.55cm / 2.0 x 0.8 x 0.2in Recording Format: WAV Music Format: MP3, WMA, WAV Built in Polymer Lithium Battery: 100mAh (shipped with battery) 1 x Digital Voice Recorder 1 x Earphones 1 x User Manual 1 x Charging Cable