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 onEquipped with double sensitive microphones, this device records 128Kbps 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 simpleBuilt-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.