64GB voice-activated digital recorder with playback - HD dual microphones, 4552 hours battery life, A-B cycle, MP3 player, password protection

CPU model: JLI CPU frequency: 24KHZ Music playback format: MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP, etc. WAV format (512Kbps.1536Kbps), MP3 format (64Kbps.192Kbps) sampling frequency Headphone interface: 3.5MM stereo interface. Maximum output of earphones: (L) 9mW＋(R) 9mW (32Ohm) USB interface: 3.5MM interface/DC5V-1000MAh (for this machine only) Screen: 0.8-inch LED display, resolution 128*64 Built-in MIC: non-directional capacitor microphone Recording current: 8mA-13mA Frequency: 24Hz Distortion: 90dB Signal-to-noise ratio: 0.06% Built-in speaker: Dynamic 2510mm, 8ohm Built-in speaker output: 800mW Storage: Embedded flash memory (4GB-32GB optional), external TF expansion 4GB-128GB Operating temperature: -10℃～40℃ Body weight: 44.6g (bare machine) Body size: 91.5mm×34mm×13mm Power supply: lithium battery/3.2-4.2V Battery: lithium ion (LiCoO2 ): 200MAh Power supply time: about 20 hours of recording. About 10 hours of playback (plug in headphones) Supported systems: Windows XP&Vista/2K/ME/98 (need to install the driver) /Mac OS 10