Sandisk ultra android 64 gb microsdxc class 10 memory card and sd adapter the sandisk ultra android 64gb micro sdxc card is perfect to add extra memory to your favourite portable music player transfer your music from the card to your pc at a no wait rate of up to 80mbs built to perform in extreme conditions sandisk ultra microsdhc and microsdxc cards are water proof temperature proof shock proof x ray proof and magnet proof the sandisk ultra card is rated class 10 for full hd video and comes