Features: 100% brand new and high quality Anti-lost metal shackle can be used with keys, wallets and other portable items, easy to access, and not easy to lose. Made of durable and scratch-resistant. Rotating plug metal hook U disk metallic luster, and mirror finish. Dual interface, ideal for transferring photos and music and videos and other files from USB flash drive to phone, USB Flash drive to pc, or other ce devices in your life. High speed reading of massive data, bring you a feeeling of pleasure. You can use the USB u disk to back up your photos, your good memory videos, the music or books you want to listen in your car, the power point presentation or project files you need to use, very convenient for you. Package Includes: 1 X Dual Interface U Disk Specifications: Product Type: U Disk Interface Type: USB 2.0 Material: Metal Color:As Shown Capacity:64G 32G 16G Size:Approx 12X6X1cm/4.72X2.36X0.39in Interface: USB 2.0 note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. No external power supply requird.