Important: The default format of the drive is EXFAT as this is the format recognized by smartphones and tablets. These drives are only compatible with C-Port-enabled mobile phones & computers only. While formatting the drive keep a check on the drive format. Lightweight, Portable, and Ready to Use: This high-capacity 128GB USB memory stick features a durable metal shell with 360° rotation to select different data ports. The photo stick is strong and resilient, with a keyhole provided on the top of the shell for easy carrying and preventing loss. Plug and Play: Whether used on a mobile phone or computer, this thumb drive can be used directly without the need for any app installation. Used as laptop notebook and tablets phones accessories, Compatible with Samsung Galaxy Note 8, Galaxy S8, Google Nexus 5X and 6P, Google Pixel XL, New Macbook Pro, and more. High-Speed File Backup: Equipped with an original Class A chip and the USB 3.0 integrated control board, backward compatible with USB 2.0. This external storage stick achieves a write speed of up to 110 MB/s and a read speed of up to 30 MB/s which enables quick file backups, reducing waiting time. Dual Connectors: This flash drive features two data ports: USB 3.0, and USB-C (Type-C), allowing compatibility with computers and phones. The type-c port can only work on phones/tablets with OTG functions. Please make sure your smartphone with OTG function and reversible type-c interface. The other end is USB 3.0 port connecting regular USB devices. Note: Not compatible with iPhone.