Minimal Size64GB voice recorder is made of high quality zinc alloy material with high durability and drop resistance. The mini size of the keychain make it more portable in daily life: You can easily put it in your wallet, breast pocket or keychain. Its appearance is also similar to silver foil, it is luxurious and elegant, making it an ideal choice for gifts 64GB Large CapacityBuilt-in 150mAh battery can record continuously for about 15 hours after fully charged in 2 hours. It supports recording while charging and has a data protection function, which automatically saves data when the battery is low. HD Recording Noise Reduction & One-Touch RecordingIt adopts ten-core digital PCM intelligent noise reduction technology, automatically reducing ambient noise. A single key can start or stop/record the file which is named by the date and time of recording. No complicated steps, easy to use, record important content anytime, anywhere! Fast Forward/Reverse & OTG FunctionPress and hold the previous/next button to control playback. fast forward/backward recording. Of course, release the button, the recording will return to normal playback speed, thus saving your recording playback time. Convenient OTG function: Use our attached Type-C / Micro-USB adapter to connect your Android phone to view/listen/delete files ApplicationsSuitable for memos, meetings, interviews, etc. It is a wonderful gift for teachers, students, lawyers, etc.