The Techkey 256GB 3-in-1 MFi USB Flash Drive is a versatile storage solution compatible with iPhone, PC, iPad, and Mac devices. With a USB 3.0 specification and read speed of 40MB/s, this silver flash drive offers fast and efficient data transfer. The MFi certified design ensures compatibility and reliability, while the 256GB storage capacity provides ample space for storing a large amount of files. The compact and lightweight design makes it convenient for on-the-go use, and the one-year manufacturer warranty guarantees peace of mind.