[Most mini recorders on the market don't have a display, and those that do aren't usually very compact. It measures 9.4*2.3*1cm, weighs 49g and is made of hard and light zinc alloy. You can easily carry it in your pencil case or pocket. [Easy to use and versatile]. Just press two buttons to switch between recording, saving and playback so you don't miss what's important and can play it right away. When switching on, you have the choice between 4 main menus and you get: A-B repeat, programmed recording, password, fast forward/backward, "LINE IN", etc. 64GB memory and low power consumption auto backup:This recorder has a large built-in 64GB memory which can store 750 hours of 32kbps recording files or 288 hours of 512kbps recording files. 240mAh rechargeable battery supported 15 hours of continuous recording at 512kbps and automatically backs up files before the battery out to prevent loss. [Why do we need a separate digital handset instead of a telephone? By choosing the handset, you no longer risk interrupting your recording and missing important content when answering calls, using music apps, etc. Perfect for recording at meetings, conferences and in classrooms. Ideal for students, lawyers, writers to reduce work errors or improve study efficiency. (Note: Using a headset or a computer allows get better sound than using speakers).