This recorder fits easily into your pocket or purse, making it easy to take anywhere, and is powered by a rechargeable battery. It can be used to record meetings, lectures, interviews, etc. Equipped with dual sensitive microphones, this device can record 128Kbps high-quality audio information. It is a tool for teachers, students, salesmen, viewers, professors and anyone who needs to record what they want. The operation buttons are simple and easy to use, just turn on the recorder and press "REC", it will record your important lectures and moments; press "STOP" to safely save your recording; press "PLAY" to listen to what you just recorded, and then press AB , select the important parts you want to repeat to help you study and review the teacher's main speech in class, lecture, semester, it's that simple. The built-in rechargeable lithium battery provides 20 hours of continuous recording. 8GB memory can record 7680 minutes, which can be saved in various types of data files. This makes the device undoubtedly a durable, portable and recording device. Color: Black Material: Metal Packaging contents: 1 x Recording pen Only the above packaging contents are included, other products are not included. Note: Light reflections and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/- 1-3cm.