This recorder is easy to carry in your pocket or purse and is powered by a rechargeable battery. It can be used to record meetings, lectures, conversations, interviews, and more. Equipped with dual sensitive microphones, this device records high-quality audio messages at 128 Kbps. It is a tool for teachers, students, salespeople, audiences, professors, and anyone who needs to record what they need. Easy-to-use buttons, just turn on your voice recorder, press \"REC\", it records your lectures and important moments; Press \"STOP\" and save your recordings safely; Press \"PLAY\", listen to what you just recorded, then press AB, select the important section to repeat, which helps you study and review your teacher's main speech in class, lecture, or term - it's that simple. The built-in rechargeable lithium battery provides 20 hours of continuous recording. 8 GB of memory can store 7,680 minutes of recordings, which can be saved in different types of data files, making this device undoubtedly a durable and portable audio recorder. Color: Black Material: Metal Package contents: 1 x Voice recorder pen Only the above package content, other products are not included. Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.