Squeezing into handheld and other mobile products, Cooltron’s dc fans measure 15 mm x 15 mm x 6 mm and weigh 2.3g. Rated at 5V, the components operate at voltages from 4V to 6V and consume 0.04A to 0.06A. Other specs include fan speeds from 8,000 to 13,000 rpm, airflows from 0.23 to 0.43 cfm, static pressures from 0.61 to 1.66 mm/H20, and a noise level from 16.63 dBA to 19.63 dBA. COOLTRON INDUSTRIAL SUPPLY INC., Walnut, CA. (909) 598-6033.