Monster Digital USB 3.0 64GB High Speed Mobile Drive (USBOM-0064-A) 64GB USB and Micro USB 3.0 Flash Drive Advanced Error Correction to Ensure Data Integrity Static and Dynamic Wear Leveling - Adds to the Life of the Drive. FAT File System for Windows and MAC Compatibility Easy Smartphone backup and File Transfer USB 3.0 OTG/ USB 2.0 Compatible Retractable Connectors Protects Contacts when Not in Use 64GB USB and Micro USB 3.0 Flash Drive Monstrous Guarantee: Limited Lifetime Warranty Advanced Error Correction to Ensure Data Integrity Static and Dynamic Wear Leveling - Adds to the Life of the Drive. FAT File System for Windows and MAC Compatibility Easy Smartphone backup and File Transfer USB 3.0 OTG/ USB 2.0 Compatible Retractable Connectors Protects Contacts when Not in Use