Specifications Hign-concerned Chemical:None Package:Yes Playback Formats:mp3,WMA With Speakers:Yes External Memory:No Record Audio Format:MP3,WAV Origin:Mainland China Certification:None Features: Portable and Versatile: The 64GB Digital Voice Recorder is a compact and lightweight device that can be easily carried around. Made of high-quality ABS material, it is durable and built to last. With its portable design, you can use it as a recorder or even as an MP3 player for your convenience. Perfect for recording in classrooms, meetings, interviews, and even for playing your favorite music. Easy One-Button Recording: With a user-friendly design with one-button recording, allowing you to start recording at any time effortlessly. The recordings are of high quality, ensuring clear and crisp sound. Additionally, it supports voice-activated recording and recording monitoring, making it even more convenient for your needs. The 0.96 inch full-color TFT vertical screen provides easy access to the recording file details. Enhanced Functionality: It supports volume control, fast-forward and rewind, A-B repeat function, time setting, timer recording, password conservation, gain setting, and recording subsection. These features enable you to customize your recordings according to your preferences and create professional-quality audio files. Long Battery Life and Large Storage Capacity: Equipped with a built-in 200mAh battery, our voice recorder can continuously record for approximately 20 hours on a single charge. This ensures that you have ample recording time without worrying about running out of power. With a 64GB storage capacity, you can store up to 288hours of recording files (at 512kbps), providing you with plenty of space to save all your important recordings. Wide Compatibility and Customization Options: Compatible with Windows98/2000/XP, Windows7/Windows8/Windows10. It offers easy uploading and downloading of files, allowing you to transfer your recordings effortlessly. You can also customize the settings according to your preference, such as setting the time and date, choosing from 8 system languages, and adjusting the screen and backlight brightness. This ensures a personalized and user-friendly experience. Specifications: Model: K66 Size: 10.3x2.5x1.2cm Weight: 28g Frequency: 20-20KHZ Microphone: Omnidirectional microphone Recording format: WAV ,MP3 Recording bit rate: 32/128/512/1024/1536 kbps Music format: WAV, MP3 Storage Card: 64GB Recording time: 288hour(512Kbp) Battery recording duration: Continuous recording for about 20 hours in non noise reduction mode at 512Kbps bit rate Sampling rate: 16KHZ 48KHZ Battery capacity: 200mAh Package List: 1 x Voice Recorder 1 x Charging Cable 1 x User Manual