DescriptionThis USB thumb drive with keychain is made of premium material, which can withstand long-lasting use. Features the zinc alloy material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Material: zinc alloy -Size: 6.50X1.20X0.80cm/ 2.55X0.47X0.31in Port: USB 2.0 Max write: 6-15MB/s Max read: 10-20MB/s Storage: 16GB - No need for lanyard, easy to hold belongings, carry it wherever you go.- Waterproof, dustproof and shockproof, high temperature resistant, durable to use.- Standard USB port, plug and play, no need to install driver yourself.- Has a nice shine under sunlight, a great gift for your friend and family.- Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.