The Micro SD memory card is the smart digital storage devices based on flash memory technology. ECENTURY U3A1 class rate Micro SD memory card support the write speed even up to 40MB/S, the read speed up to 80MB/S. The high-speed rate support with the recording of 4K Ultra HD and full HD videos, which further provide the combability with many special devices which required higher data transmission rate. It perfectly designed for CCTV security cameras, smart phones, tablets, action cameras, drones, car recorders and more.
