SK-892 mini recorder can be MP3 player and 8GB USB flash disk as well. 192Kbps recording rate, record clear and natural voice. Smart battery supports up to 10h continuous recording. It is of mini size and lightweight, portable for to you carry and store. Specifications: Model: SK-892 Function: Recorder & MP3 Recording Rate: 192kbps Frequency: 48KHZ Recording File Format: WAV Music Format: MP3 / WMA / WAV Memory Card Capacity: 8GB (Support 96h continuous recording) Input: DC 5V Built-in Battery: 3.7V 110mAh Working Hour: About 10h for continuous recording/music playing OS: Compatible for Windows 98 and above (XP, Vista, 7 8 10 '), Mac OS 9.0 and Higher Item Size: 4.5 * 1.3 * 0.6cm / 1.8 * 0.5 * 0.2in Item Weight: 7.5g / 0.3oz Package Size: 10.2 * 7.5 * 4.5cm / 4 * 3.0 * 1.8in Package Weight: 98g / 3.5oz Package List: 1 * Recorder 1 * Earphone 1 * USB Cable 1 * User Manual(English) Note: Please save the recording file before connecting the recorder to computer.