Voice recorder with 4GB memory, capable of 1570 minutes of recording. - Model Name: VN-551PC - Recording Time: 1570 minutes - Memory Capacity: 4GB - Recording Modes: 3 types - Connectivity: WIN/MAC - Battery: Alkaline batteries (24 hours) Thank you for viewing. I am selling this because I no longer use it. Discounts are available if you purchase with other items, so please comment.