1、Premium Sound Quality: Uses DSP digital noise reduction technology and built in high sensitivity, large caliber capacitive mic to provide hifi recordings, capturing quality sound up to 1536Kbps, omnidirectional mic for clearer sound capturing. 2、Superior Playback: The built in stereo Hi Fi speakers provide superior sound quality during playback. You can easily listen to your recordings directly through the device, and have the ability to delete recordings as needed. 3、Smart Sound Detection: The voice recorder can adjust to seven different levels of voice decibels, ensuring it only captures spoken words and not silent whispers or background noise, saving storage space. 4、Easy File Management: All files are named by year, month, day, hour, and second, making it easy to find your most recent recordings. By plugging the USB cable into a PC, you can upload or download files while charging, 5、Versatile and Practical: The voice recorder is perfect for a variety of situations such as lectures, meetings, interviews, presentations, and studying. Item Type: Digital Voice Recorder Shell Material: Zinc Alloy Screen: LCD Display Screen Recording Format and Sampling Rate: WMA Format (32Kbps-1536Kbps) Recording Quality: WAV 512Kbps (Default) Support Multiple Music Playback Formats Frequency: 24KHz Recording Power: 5mA-12mA Features: Recording, Voice Activated Recording, Clock, Scheduled Recording, Voice and Music Playback, A-B Repeat, Password Protection, LIEN-in, Low Power Auto Shutdown, etc. Maximum Output: (L) 9mW + (R) 9mW (32Ohm) External Input: Headphone 3.5mm Stereo Jack, Mic Line 3.5mm Jack USB: PC Interface USB1.1/USB2.0 FULL Speed Built in Speaker Output: 800mW Built in Speaker: Dynamic 8ohm, 1W 20 x 30mm / 0.8 x 1.2in Built in MIC: Omnidirectional Capacitor MIC S/N Ratio: 90dB Battery Capacity: 500mAh Lithium Battery (Built in) Storage: Embedded Flash 32GB Operating Temperature: -10°C to 50°C Battery Life: Approx. 60 hours Recording (512Kbps), 40 hours Playback (with Earphones) 1 x Voice Recorder 1 x USB Charging Cable 1 x User Manual