Kingston Canvas Select™ Plus microSD cardSpecifications:Capacity: 256GBPerformance: up to 100MB/s read and 80MB/s writeSpeed: UHS-I Class 1 (U1)Format: exFATVoltage: 3.3 VMicroSD Dimensions: 11 mm x 15 mm x 1 mmSD Adapter Dimensions: 24 mm x 32 mm x 2.1 mm..