LEORX 2-in-1 8GB USB Flash Drive Digital HD USB Audio Voice Recorder (Matte Black) Color: mainly matte black. Shell material: durable hard plastic. Memory capacity: 8GB. With a built-in MIC and 8GB internal memory, it can act as a digital voice audio recorder to record HD audio or voice. Also can act as a 8GB USB flash drive to store lots of files, with the data transmission rate up to 480Mbps. Recording format: WAV. Recording rate: up to 128bps. Recording time: about 150 hours. USB interface: standard USB 2.0.