1、Voice Activated Recording: Smart design, fast voice activated recording, normal recording and saving, push the switch to "V" for VAR recording, the device will record when a sound is detected, and stop recording when it is not detected, to ensure full use of memory. 2、Large Capacity Battery: This portable magnetic recorder is equipped with a 3000mAh rechargeable battery, which can record continuously for 500 hours and has a long battery life. 3、Recording: This voice activated recorder has strong magnetic attraction and can be affixed anywhere. It is portable in mini size and is very suitable for lectures, conferences, interviews, classrooms, evidence collection, etc. 4、Intelligent Time Stamp: The voice activated recorder can be connected to the computer to synchronize the time, which is convenient for recording file generation and ending time, and is convenient for browsing and searching files. 5、High Definition Sound Quality: The latest PCM high definition noise reduction chip is used to minimize noise, high definition recording quality and real stereo experience, bringing you clear and high quality recording. Item Type: Magnetic Recorder Model: Q73 Material: Metal Colour: Black Recording Format: WAV 192kbps Play Format: MP3 WMA WAV Battery Type: 3000mAh Lithium Battery (Included) Continuous Recording Time: About 500 Hours 1 x Voice Recorder 1 x Data Line 1 x Headphone 1 x English Manual