Item Type: Digital Voice RecorderMaterial: MetalColor: SilverModel: Q33Screen: LCM 64x96Recording Format: MP3/WAVMusic Format: MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELPFrequency Response: 20Hz-20KHzDistortion: 90 DecibelsBattery Type: Built-In 500mAh Lithium BatteryPackage List1 x Voice Recorder1 x Headphone1 x Data Cable1 x Manual1It uses a new design, is a new type of digital recorder, dynamic noise reduction microphone. 2The voice recorder can easily transfer files to the computer, with playback function. 3This mini recorder device can be preset into mp3, help you record more and long time. 4Small and portable, easy to operate, suit for students, teachers, seniors, businesspeople, writers, and bloggers. 5The voice recorder can be used for lectures, conferences, interviews, lectures, classrooms, etc.