Multipurpose design with recorder, MP3 player, and USB drive functionality, plus a key chain buckle. Beautiful appearance and silent, discreet operation. Records anytime and anywhere and is suitable for work, study, and especially evidence collection. Small and unobtrusive, yet effective. definition recording: uses an advanced thirdgeneration main control chip with a quality noise reduction algorithm to minimize environmental noise. Produces clearer, more natural sounding recordings. Voicecontrolled recording: supports voiceactivated audio recording with silent automatic sleep to improve efficiency and conserve memory and power. Onebutton recording offers simple, intuitive operation. Multifunction capabilities: supports poweron recording and 50meter longdistance recording, with poweroff protection, timestamp, ultralong standby, timestamp memory, and noise elimination. Also functions as an MP3 player and can be used as a USB drive.