This compact and portable voice recorder easily fits in a pocket or handbag and is powered by a rechargeable battery. It can be used to record meetings, lectures, conversations, interviews, and more. Equipped with dual-sensitivity microphones, it records high-quality audio at a bitrate of 128 Kbps. It's an ideal tool for teachers, students, salespeople, audiences, professors, and anyone who needs to record audio. Operation is simple: just turn on the recorder, press the "REC" button to record your lectures and important moments; press the "STOP" button to securely save the recording; press the "PLAY" button to play back the recording; and press the "AB" button to select important sections for repeated playback, helping you study and review your teacher's presentations in class, lectures, or semester sessions—it's that simple. The built-in rechargeable lithium battery provides up to 20 hours of continuous recording time. 8GB of memory can store 7680 minutes of recordings and can save them in various data file formats, making it a durable and portable voice recorder. Color: Black; Material: Metal; Package Contents: 1 x Voice Recorder. The above only includes the package contents and does not include other products. Note: Light reflection and different monitors may cause the color of the item in the picture to differ slightly from the actual item. Measurement error is +/- 1-3 cm.