[About Digital Voice Recorder] The case of this audio recorder is made of zinc alloy, the size is about 3.58"*1.54"*0.47", the weight is about 46g, and can be easily put into your purse, pocket, briefcase, etc. The USB 2.0 interface is convenient for file transfer, and it supports multiple languages switching, which makes it a perfect gift for students, lawyers, businessmen, teachers and so on.[Easy to Operate] 2024 The new and improved recorder can realize one-touch recording with the REC button and save the recording with the STOP button. Say goodbye to cumbersome operations and record quickly without missing details.[3072Kbps HD Sound Quality] Our recorder device uses digital DSP intelligent noise reduction technology to capture up to 3072Kbps of premium sound quality, with an omnidirectional stereo microphone to capture clearer sound in complex sound conditions. Built-in HD speakers allow you to play your recordings or music directly without headphones. When you want to listen to your recordings or music in private, just plug in your headphones and enjoy.[Voice Activate Recorder] Enable the voice activation function of the sound recorder, and the portable recorder will automatically start recording when a human voice is detected, saving memory space and filtering out empty segments.[Large 64GB Memory & 250mAh Battery] Our recording device has a large 64GB memory (64GB TF card expansion) that can store 4800 hours of recording files. It also has a built-in 250mAh rechargeable lithium-ion battery and 50 hours/25 hours of continuous recording/playback.