Supports one-key recording / playing; Supports sound control monitoring and timing recording; 8GB can record 999 files at most; 3-Mode: music voice system; 5-recording quality: 2Kbps 64Kbps 128Kbps 192Kbps and 384Kbps; Can be as a MP3 player allowing you enjoy music; LCD cool light display music recording time volume recording quality sound recording and remaining power; USB plug convenient to use; Energy-saving; 7-playing modes: normal single cycle directory catalog cycle full cycle random browse; Timing power off: sleep mode / energy-saving mode; With low voltage indicating; Can delete single file or all files; Can replay part of file; Built-in loudspeaker.