This recorder is compact enough to fit in your pocket or wallet for easy portability and is powered by a built-in rechargeable battery. It is ideal for recording meetings, conferences, lectures, interviews, and more. Equipped with dual sensitive microphones, the device captures high-quality o at 128Kbps. It serves as a practical tool for teachers, students, sales professionals, ences, professors, and anyone who needs reliable voice recording. The device features simple operation buttons. Turn on the voice recorder, press "REC" to start recording important moments; press "STOP" to save recordings safely; press "PLAY" to listen to recorded files; use A-B repeat function to select and replay key sections, making it easier to study and review important content from classes or lectures. A built-in rechargeable lithium battery supports up to 20 hours of continuous recording. With 8GB internal memory, it can store approximately 7680 minutes of recordings and supports multiple o file formats, making this recorder durable, portable, and dependable. Color: Black Material: Metal Package Contents: 1 x Voice Recorder Pen Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement error allowed is +/- 1-3 cm.