DescriptionWith built-in 4GB internal memory and a microphone, the item can act as a digital voice recorder to record audio or voice with the recording rate up to 128bps. Besides, it also can act as a 4GB USB flash drive to store lots of files. It is powered by USB port, and supports plug and play, no extra driver needed. With pocket size and easy to use, it is really a wonderful USB gadget for choice.Features- Color: mainly matte black. - Shell material: durable hard plastic. - Memory capacity: 4GB. - and 2-in-1 4GB USB Flash Drive Digital Audio Voice Recorder. - With a built-in MIC and 4GB internal memory, it can act as a digital voice audio recorder for use. - Also can act as a 4GB USB 2.0 flash drive to store lots of files, with the data transfer rate up to 480Mbps. - Recording format: WAV. - Recording rate: up to 128bps. - Recording time: about 70 hours. - USB interface: standard USB 2.0. - Supported system: Windows 2000 /XP /Vista, Win 7. - Compact size, easy to operate and convenient to carry.