Take notes while observing an experiment, in a conference or trade exhibition or even while driving without pen or paper. Credit card size (3" x 2 ¼" x ¼") and so l weight (1.2 oz) you can carry it around in your pocket without noticing it and have it always available for hands free notes. Micro Recording CardâTMs operation could not be simpler. Record multiple notes for a total of 90 seconds. Rewinds instantaneously and plays back with surprisingly high quality sound. Unlike traditional tape recorders Micro Recording Card has no tapes, motor or other moving parts to slow, cause distortion and background noise, jam or break down, instead recordings are made digitally directly onto a microchip. Your notes are preserved in the non-volatile memory even if the battery dies or is removed for replacement. The lack of moving parts also results in longer battery life and Micro Recording Card will provide over three hours of continuous use on 4 tiny button cell batteries (included). Attractive platinum color housing.