Etekcity DVR166 8GB Portable Digital Audio Voice Recorder with FM Function, Built-in Playback Function/Speaker and Rechargeable Battery, Continues Recording Up to 560 Hours, Gray Features FM radio & FM radio recording&VOR; Music player and telephone recorder function; Built-in USB plug; Support timing record; A-B marker repeat It comes with a password setting to ensure file security; Can be used as a USB with security function High quality stainless steel casing, elegant and durable Built in speaker for instance playback; Built in rechargeable battery Great for conferences, meeting, lectures, classes, and many other events