High-speed transmission: It supports the eMMC 5.1 protocol, with a read speed of up to 90MB/s and a write speed of up to 70MB/s Easy expansion: It has the same size as a Nano SIM card, put in the card slot to expand the capacity immediately Smooth experience: It can be used for smooth high-speed continuous shooting and 4K, 1080P video shooting with mobile phones, which is more convenient to use Memory card for Huawei: Compatible with Huawei phones/tablets, such as MatePad series, Mate 20 series, Mate 30 series, Mate 40 series, Mate 50 series, P30 series, P40 series, P50 series, P60 series, foldable series phones, Nova 7/6/5 series, Enjoy 20 Series, 10 Series, for Honor 30/20/10 Series, etc. Specifications: Memory: 512G Read speed: up to 90MB/s Write speed: up to 70MB/s Operating temperature: 0~70 Storage temperature: -25~85 Size: 12.3x8.8x0.7mm Note: It is suitable for Huawei mobile phones/tablets. For specific applicable models, please refer to the models shown in the picture.