The Digi Chip 128GB Micro-SD Class 10 memory card is a high speed memory card made using the highest quality Samsung memory chips. This memory card is fully compatible with any Xiaomi phone in the title of this page. They are also UHS-1 spec which stands for Ultra High Speed meaning they are some of the fastest mobile memory cards on the market. Our company Low Price Memory Ltd has been trading online for 8 years and has supplied over 1 million customers in that time with digital memory cards and usb flash drives. Digi-Chip is our own brand and we offer a 2 year warranty on all Digi-Chip products.