USB C + USB 3.0: Dual Type C and USB A ports for easy data sharing between PC and OTG-enabled Type-C devices, including Android smartphones, tablets, Mac and other multimedia systemsMetal Material Shell&Easy To Carry: Strong and durable Aluminum alloy material with plastic caps to protect the flash drive from oxidation and corrosion.With a small loop, you can attach the thumb drive to your key chain. Perfect if you run out of memory on your smartphone while you're on the goHigh Speed Transfer: High speed USB 3.0 performance of up to 90MB/s read speeds and 35MB/s write speeds (Based on internal testing; performance may be lower, or higher depending upon host device interface, usage conditions and other factors)256GB Large Capacity: USB C Flash Drive 256GB stores up to 12 hours 4K video, or up to 40 hours 1080P video, 75,800 photos, or 38,800 songs. (Due to different capacity algorithms and partial capacity are used for system files, so the actual available capacity may be less than the identifying capacity)Led Light Design: The LED acts as an indicator light when the usb drive is receiving power, which is helpful to ensure that the usb c drive is properly connected and working. no need to install any additional software. The usb c stick can be recognized and used immediately