Digital Voice Activated Recorder With Playback - 72Gb Audio Recording Device High-quality Audio Noise Cancellation: L81 voice recorder adopts upgraded powerful DSP noise reduction system and dual stereo microphones, which can automatically reduce 90% of ambient noise, ensuring you get a whole new level of recording quality with1536kbps professional recording ratio. Stereo microphone can capture farther/lower but more clear sound for easy listening Voice Activated Recorder: With 7 different levels of voice decibels, this portable audio recorder with playback can set the perfect recording level for any situation. When the "VOR" function is turned on, it will automatically record and stop recording when there is no sound, which can greatly save the storage space and your listening time. It is an ideal tool for lectures, meetings, interviews, speeches, class, business 72GB Memory and Long Battery Life: Digital voice recorder built-in 8GB memory and a 64GB TF card ( inserted in recorder card slot) to expand the memory, it can store up to 5300 hours of audio files at 32kbps bit rate. 600mAh rechargeable battery supports up to 40 hours continuous recording (512kbps) and 50 hours of playback Easy to Use and Transfer File to Computer: Quick One-Switch Recording, you can start recording and save a named recording file by one sliding even if the voice recorder is off. This feature is especially useful in emergencies, allowing you to quickly capture important details. Easy link to computer for data transmission editing charging the recording device via supplied Micro USB-C cable Multi-function Excellent Value for Money: Small audio recorder works with all the functions you want, such as A-B repeat function, which is particularly suitable for classroom learning, and can help you to repeatedly listen to key information.There are also variable speed playback, password protection, time stamps naming files, timing auto recording, record subsection, mp3 player, 3.5mm headphone plug, etc.