This recorder is a portable and durable device with a rechargeable battery. It has double sensitive microphones for high-quality audio recording. It is suitable for recording meetings, conferences, lectures, interviews, etc. The built-in rechargeable lithium battery provides 20 hours of continuous recording. With 8GB memory, it can store up to 7680 minutes of recordings. This device is perfect for teachers, students, salesmen, and anyone who needs to record important moments or study materials. Easy to operate with one-click recording and playback functions. This recorder easy to fit your pocket or wallet to carry around, powered with rechargeable battery. It can be used to record meetings, conferences, lectures, interviews and so on Equipped with double sensitive microphones, this device records 128Kbps high quality audio messages. It is an tool for teachers, students, salesman, audiences, professors and anybody who need to record what they need.Easy out operation buttons, just switch on your voice recorder, Press "REC", it records your important lecture, moments; Press "STOP" save your recordings safely; Press "PLAY" listen what you just recorded, and then Press A-B, select your important section to repeat, help you study and review your teacher, 's main speech at class, lecture, semester so simple Built-in rechargeable Lithium battery provides 20 hours of continuous recording. 8GB memory can 7680 minutes of recordings which can be saved in several types of data files . which makes this device undoubtedly a durable, portable and sound recorder.Colour:BlackMaterial:MetalPackage Contents:1 x Voice recorder penOnly 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.