This recording device is easy to fit in your pocket or wallet for carrying around, powered by a rechargeable battery. It can be used to record meetings, conferences, lectures, interviews, and so on. Equipped with dual sensitive microphones, this device records 128Kbps high-quality audio messages. It is a tool for teachers, students, salesmen, public, 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 important lecture, moment; Press \"STOP\" save your recordings safely; Press \"PLAY\" listen to what you just recorded and then press A-B, select your important section to repeat, helps you study and review your teacher, 's main speech in class, lecture, semester so easy. Built-in rechargeable lithium battery provides 20 hours of continuous recording. 8GB memory can store 7680 minutes of recordings which can be saved in multiple types of data files. making this device undoubtedly a durable, portable, and audio recorder. Color: Black Material: Metal Package Contents: 1 x Voice Recording Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.