1024GB Micro SD Memory Card High Speed U3 A2 Class 10 4K V30 SDXC TF XC UHS-I
Capacity : 1024GB. Speed class : U3 V30 A2. Higher speed and greater storage. Transmission speed : Read up to 180MB/S; write up to 90MB/S. Storage temperature : -25°C-85°C. Size : About 15 × 11 × 1mm.