High Speed USB 3.0: Read speed up to 90 MB/s, Write speed up to 30 MB/s, the speed of USB 3.0 interface is faster than USB 2.0, save time to wait, increases work productivity. Note: Speed will be limited if you use the USB key in the USB 2.0 interfaceLarge Compatibility: The USB 3.0 Connector is compatible with USB 3.0 & USB 2.0 backward USB 1.1 devices, such as Laptop, Desktop, Car Audio, Tablet, TV, Speakers, Projector. USB-C port is compatible with all Android Smartphones2 in 1: USB C + USB 3.0, 128GB usb c flash drive has dual ports, usb 3.0 port is applied to all devices which have usb 3.0 interface and usb c port is widely used in all Android smartphones with OTG functionExpand Storage: Good performance in storing, transferring and sharing digital data with families, friends, colleagues, customers. It can expand the capacity of smartphone, you can watch movies or share pictures when you go on vacation with your familyNote: Make sure your smartphone is equipped with OTG function and need to open OTG function in Settings when you plug memory stick, then you can transfer easily data bewteen different devices