[High Qulity & Long Time 4GB Large Memory] - High-quality recording, 1536KBPS, using DSP noise reduction technology to filter ambient noise and restore the real scene. Can record continuously for more than 30 hours and play for 7 hours.[One-click Recording Worry-free] - Press the REC button to record the voice, one-click recording, and one-click save,8GB of internal memory,can store 199 audio files.Built-in high quality speakers,just listen it on the go.[Multi- Functions & Wide use] - MP3 function, USB Storage Flash Disk, A-B repeat function, Delete function.Supports audio format: MP3, WMA, MP1, MP2 Format, WAV Format Recording.a great recording device for recording lectures, meetings, business negotiations, doctor's advice, evidence collecting , interviews, discreet & covert spy recording, etc.[Fashionable & Durable] - Distinctive exterior design and strong, Built-in Lithium battery, rechargeable, environment friendly which makes this voice recorder fashionable, durable and sweat proof, even as a perfect gift for students, writers, professionals and any those who need it[100% Satisfaction] Power source type: battery poweredIncluded components: 8gb usb voice recorder, 3.5mm mini-jack audio cable ,telephone recording adapter with rj11 cable ,usb cable, earphone,microphone ,manualCompatible devices: personal computer