Proster USB Voice Recorder Mini Digital Audio Voice Recorder with U Disk Function 8GB Rechargeable Dictaphone for Lectures Meetings Negotiation Interview 2 Modes, 2 Functions It's U Disk when the device is OFF, while it's Voice Recorder when the device is ON. Capture Crystal Clear Audio 384Kbps provides you high-quality recording. Lightweight and Small 20g and 66*21*10mm, Portable and convenient for you to record whenever or wherever you are. Reset Button There is a "Reset" Button on the Buttom, so you can delete all your data, and restore the factory default settings. Easy to Charge It will charge just pluging the voice recorder into a USB port, and it can record for about 13 HOURS.