In this video we discuss with you our: Mini-Micro Digital Voice Recorder. It charges up when you plug it into a USB port and can record for up to four hours on a single charge.Take notes or record conference and business meetings with this small and subtle "40 Hour Mini-Micro Digital Voice Recorder ". Looking just like a USB thumb drive, this voice (spy) recorder is the perfect pocket-sized way to instantly record notes or dictation. http://www.dpl-surveillance-equipment.com/9077900.html