The Voice Tracer 1250 is the perfect voice recorder for capturing notes, ideas & 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 & 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 (Yes / No): Built-in Stereo Microphone; Indexing Functions: Index Mark.