Exceria m302 the speed you need for 4k a toshiba exceria m302 is the microsd card you need if you want to record 4k or full hd videos on your smartphone tablet or sports camera designed for outdoor usage the series is waterproof shockproof and x ray proof because of the fast read write speeds you get smooth video recording quick loading of apps and fast continuous photography to round out the picture the exceria m302 comes with an sd card adaptor so you can quickly