The Voice Tracer 1250 is the perfect voice recorder for capturing notes, ideas and thoughts on the go. Thanks to the microSD memory card slot you can easily expand your memory up to 32 GB. Superior voice recording. Voice activation function for hands-free recording. Easy and intuitive experience. PC connection for plug & play. Backlight display for easy file navigation. MicroSD memory card slot for virtually unlimited recording. Extra long battery runtime for longer recording sessions. Recording Functions: Built-In Microphone, Mono; Recording Time: 88 Days; Microphone: Built-in Stereo Microphone; Indexing Functions: Index Mark.