1、USB Connectivity and Charging: Easily connect to a computer for data transfer and editing, while also charging the digital voice recorder. This portable recorder supports MP3 format for versatile playback options. 2、Voice Activated Recording: In this mode, the recorder starts recording upon detecting sound and enters standby mode when sound is absent. With 5 adjustable voice level settings, the recorder can adapt to various environments for efficient use. 3、Easy Operation: Featuring simple 3 button controls for recording, saving, and playback. It also includes A B repeat, fast forward, and rewind functions to help catch speeches or dialogues more effectively in interviews, lectures, meetings, classes, speeches, and concerts. 4、Compact and Portable: The compact design of the mini voice recorder makes it easy to carry around and record sound on the go, ideal for students, journalists, musicians, and business professionals. 5、Clear Sound Quality: With clear quality recording capabilities, the portable voice recorder ensures clear and crisp voice playback, making it a versatile tool for various recording needs. Item Type: Recorder Material: ABS Recording Format: MP3 Sampling Frequency: 32KBPS-3072BPS Frequency: 24MHZ Recording Power: 4.8mA-12mA Actual Maximum Output: (L) 9mW + (R) 9mW (320hm) External Input Microphone: 3.5Pie Stereo Jack External Input Headphone: 3.5pie Stereo Jack External Input USB: PC Interface USB1.1, USB2.0 FULL Speed Internal Speaker Output: 800mW Built in Speaker: Dynamic 26mm ,8ohm Built in MIC: Non Directional Condenser Microphone S/N (Noise Ratio): 90db Power Supply: Rated Voltage: Lithium Battery 250ma 3.6V -4.2V Battery Capacity: Built in Lithium Battery 5V 500MAH (Built in Battery) Storage: Embedded Flash Memory Recording: 50 Hours Playback: 28 Hours (Headphones) Operating Temperature: -20℃ To 60℃ 1 x Recorder 1 x Pair Of Headphones 1 x USB Charging Cable 1 x Microphone 1 x Recorder Phone Adapter 1 x Crystal Head Connection Cable 1 x Connection Cable 1 x Instruction Manual