Welcome to our store! NOISE REDUCTION: This mini voice recorder uses a professional audio chip and low-power amplifier to restore truly clear sound with DSP noise reduction. USB DIRECT CONNECTION: This USB voice recorder requires no data cable or adapter; simply plug the USB connector directly into your computer to use it as a U-disk for quick data import. POWER FAILURE AUTO-SAVE: This voice-activated stereo recorder eliminates the fear of sudden power outages with automatic file saving, ensuring worry-free recording. RECORD WHILE CHARGING: This USB voice recorder supports connecting rechargeable batteries, computers, and car USB ports for recording while charging, so you're not limited by battery life. EASY OPERATION: This digital USB voice recorder is easy to use; power on to record, power off to save, convenient and practical for quick recording. Item Type: Digital USB Voice Recorder Material: ABS Recording Format: WAV Recording Mode: Power on to record, power off to save Built-in Polymer Lithium Battery: 120mAh 1 x Digital USB Voice Recorder 1 x Instruction Manual Customer satisfaction is our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best after-sales service.