1、Pen Shape - Pen appearance makes it look like a real pen, which is hard to be perceived. 2、20‑hour Recording ‑ To record sounds for 20 hours continuously. 3、Intelligent Noise Reduction - High recording bit rate up to 192kbps and independent recording make recorded voices super clear. 4、U Disk Function - The audio recorder can be used as a U disk normally to connect to a computer through USB for storing and transmitting voice files. 5、MP3 Function - It plays recorded voice files immediately through MP3 function. This digital voice recorder is capable of recording for continuous 20 hours clearly and hard to be perceived due to pen shape. And it can be used as a normal U disk to connect to a computer through USB for storing and transmitting voice files. Furthermore, recorded voice files can be played immediately through MP3 function. Features: Pen Shape - Pen appearance makes it look like a real pen, which is hard to be perceived. 20-hour Recording - To record sounds for 20 hours continuously. Intelligent Noise Reduction - High recording bit rate up to 192kbps and independent recording make recorded voices super clear. U Disk Function - The audio recorder can be used as a U disk normally to connect to a computer through USB for storing and transmitting voice files. MP3 Function - It plays recorded voice files immediately through MP3 function. Specifications: Product type: Pen Shape Digital Voice Recorder Recording time: 20 hours Recording bit rate: 192kbps Independent recording: Support Recordin format: WAV Noise reduction: Support MP3 function: Support U disk function: Support Power supply: 150mAh Package size: approx. 18 * 9 * 9 cm/ 7.1 * 3.5 * 3.5 in Package weight: 118g/ 4.2oz Package List: 1 * Pen Shape Digital Voice Recorder 1 * User Manual 1 * Data Cable 1 pair of Earphones Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.