Specification:Capacity128GBStandardSD 4.0Dimensions (LxWxH)15 x 11 x 1mmWeight0.25gWorking Voltage2.7V-3.6VR/W Performanceup to 275MB/155MB per sec*Read/write speed based on ADATA internal testing, actual performance may vary. Highest transfer speeds achieved only when paired with UHS-II device. Speed ClassUHS-II U3 Class 10Compatibilitysmartphones / tablets / dash recorders / motion cameras / drones / Nintendo SwitchOperating Temperature-25°C to 85°CCertificationsFCC , CE , VCCI , CTICK , EACWarrantyLifetime