Brand Name: HP Model No: MSDCWAU1 32 GB Inbuilt Memory The new generation of turbo performance ultra high speed class1 (UHS-1) Class 10 compliant: Fully compatible with SD 3.01 standards Ready to store your late digital content for your smartphone, tablet and other mobile devices Minimum of 10 Mbps write Operating temperature: 0-55 degree celsius, storage temperature: 20 to 65 degree celsius, Vcc power: 2.7 to 3.6 VDC Systems: Windows 2000/XP/Vista, Windows 7,8, Mac OS: 10.3 and above 1 year limited warranty from the date of purchase