This recorder is compact and easily fits in your pocket or wallet for convenient portability, 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 audio at 128Kbps. It is a useful tool for teachers, students, sales professionals, audiences, professors, and anyone needing reliable voice recording. Simple operation with easy-to-use buttons: switch on the recorder, press "REC" to start recording important lectures or moments; press "STOP" to save recordings safely; press "PLAY" to listen to recorded files; use A-B repeat function to select and replay important sections, aiding in study and review of key class content, lectures, or semester materials. The built-in rechargeable lithium battery provides up to 20 hours of continuous recording time. With 8GB of internal memory, it can store up to 7680 minutes of recordings and supports multiple audio file formats, making this device a durable, portable, and high-performance voice recorder. Color: Black Material: Metal Package Contents: 1 x Voice Recorder Pen Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowed is +/- 1-3 cm.