Material: metal Interface: USB 3.0 Memory capacity: 256 Go Size: 12*65*10mm 1. Material: zinc alloy material, diamond cutting technology, smooth lines and comfortable feel; the elegant and durable metal shell has not only texture but is also solid and drop-resistant, protecting against accidental damage. 2. Performance: USB 3.0 performance and high-speed transmission rates; using high-performance and high-quality chips from leading manufacturers, it can read and write data at high speed, saving time, making transmission more stable and having a longer service life. 3. Comparison: the transfer to the drive is 15 times faster than standard USB 2.0 drives. 4. Protection: the 360° rotating case can protect the interface, so you no longer have to worry about losing the protective cap. 5. Large capacity: it can instantly increase the capacity of your mobile phone, easily solving problems such as insufficient memory space and allowing you to work and enjoy freely. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this high-quality product compared to similar products on the market (Even if the photos are similar, they are not designed the same way and sellers do not offer the same after-sales services). Each product undergoes strict quality control before shipment, ensuring you receive your product in excellent condition. In case of quality issues, we will provide a free exchange within 14 days. Shipped from France on the same day of the order and you will receive it as soon as possible (unlike other sellers who cannot guarantee shipping time).