Come and see our amazing products. This 64G usb flash drive adopts a metal shell design,waterproof and Not afraid of falling.The original a-class chip is safe and stable in operation,usb2.0,and the transmission is fast and stable.You can choose 2G,4G,8G,16G,32G,64G,128G for businesses or universities.The metal shell with a strong ring is more durable and can be easily fixed to a backpack,wallet or keychain.Custom logo is welcome. Pls confirm with us about the packing info, stock color and exact production time before placing your order.