Feature: HD Recording & Noise Reduction FunctionWith the latest intelligent noise reduction technology, this digital recorder can provide you with high quality sound at 1536kbps, just like the person speaking is standing next to you. Equipped with an exclusive omnidirectional stereo microphone to capture farther/lower but clearer sound. Powerful Battery and Large Memory16GB digital recorder can store 560 hours of recording files (32kbps). 500mAh rechargeable battery supports up to 13 hours of continuous recording (512kbps) and 24 hours of headphone playback. Voice Activated RecorderTurn on the voice activation function, once the sound reaches the correct voice decibel level, the recorder will automatically record and stop recording when there is no sound. It greatly saves memory space and listening time. Easy to Use and VersatileThere are clear various kinds of keys to record, save and play, so you won& 39;t miss anything important Easy File ManagementThe recorder can save time-stamped recording files (files are named with year, month, day, hour, second) for easy identification of when you recorded. Password ProtectedThe buttons are all on the front of the machine and operate logically just like a smartphone. You can easily learn to use it in a few seconds. This recording device can be enabled with a 4-digit password protection. Always keep your audio files safe. A-B Repeat Play and Various Usage ScenesOur audio recorder with A-B repeat play function, the recording can playback within a certain period of time. You can also fast forward and rewind during playback, which is useful for reviewing lessons, meeting records, songs, interviews, etc. Specifications: Color: Black Charging Interface: Micro Bluetooth Version: 5.0 Transmission Distance: 10 meters Built-in Storage: 16Gb Frequency Output: 20Hz-20KHz Battery Capacity: 500mAh Operating Time: Recording time varies according to bit rate, (1536kbps): 72 hours, (1024kbps): 144 hours Charging Time: 1.5hrs MP3 Format Bit Rate: 32kbps, 64kbps, 128kbps, 192kbps WAV (PCM) Format Bit Rate: 512kbps, 768kbps, 1024kbps, 1536kbps Language Mode: Multi-language Microphone: 3.5mm Headphone: 3.5mm Initial Password: 0000 Recording Source: Microphone, Line-in, 2 modes Playback Format: MP1/MP2/MP3/WMA/WMV/ASF/WAV 7 kinds of music formats Other Features: Power off setting, contrast adjustment, storage space, low battery indication, HOLD lock button File Transfer: Built-in memory, USB connection Display Size: 128*64 LCD screen Noise Reduction Function: Yes, DNR key Package: 1 x Recorder 1 x Instruction manual 1 x Lanyard 1 x Earphone 1 x Microphone 1 x Aux cord 1 x Storage bag 1 x Charging cable