Metal OTG USB Flash Drives1. Product Characteristics and Attributes● Material: Metal● Dimension: 69mm x 17.5mm x 8mm● Imprint Range: 40mm x 14mm● Interface: USB 2.0 Drive / Micro USB for Android Smart Mobile Phones● Exterior Colors: Regular colors Red, White, Silver, Black, Green, Orange, Blue, White● Comes with transparent protective cover● Functions: USB Flash Drive for PC / OTG USB Flash Drive for Android Cell Phones● Brands Chip: Samsung, SanDisk, Toshiba etc● Warranty: 3 years● Capacity: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB● Imprint Options: Laser engraving, custom colors print● Application: Expand storage capacity of phones. Data sharing, exchange, storage2. Technological DesignAnytime, anywhere storage. Increase portability of removable storage devices.One USB 2.0 drive for personal computer, another for android smart cell phones, it can be used via any phones with OTG function.The shell is made of aviation aluminum, not only lightweight, but also through a special surface polished, more texture and skid3. Quick DescriptionWhere support OTG function related to digital devices, such as mobile phones, tablet can be used by Micro USB OTG interface to easily achieve the timely sharing of capacity expansion and other functions