1、Multiple Usages: This portable voice recorder can record any content or be used as an MP3 player to listen to your favorite songs, widely used in classrooms, meetings, interviews, and more. 2、Voice Control: This recorder has voice control function, automatically starts recording when noise is detected, the recording distance is within 5 meters to avoid unnecessary space occupation. 3、Noise Reduction: The recording bit rate can be up to 192KBPS, which makes the sound more real. With smart digital noise reduction technology, the recorded content can be heard more clearly. 4、Built in Battery: This voice recorder features a built in rechargeable lithium battery that can record continuously for up to 20 hours (fully charged), store up to 100 hours of recording files. 5、Other Functions: This voice recorder supports fast forward and rewind function, supports time setting, and equipped with wired earphone, convenient to use anytime, anywhere without disturbing others. Item Type: Voice Recorder Model: Q3 Material: ABS, Electronics Battery Type: Built in 150mAh Lithium Battery (included) 1 x Voice Recorder 1 x Wired Earphone 1 x Charging Cable 1 x User Manual