Silicon Power Jewel J80 USB, 8 GB, Pack of 10 Exquisite metallic casing, showing the modern fashion style. Circular-shaped design, , perfectly fitted on a keychain. SuperSpeed USB 3.0 interface, backward compatible with USB 2.0. Work with PCs and Macs, letting you to share files between different platforms. High durability with waterproof, dustproof and vibration-proof protections. Sandblasting surface treatment, enabling superior resistance to scratches and fingerprints. PCs and Macs ready. Backed by lifetime warranty that guarantees complete services and technical support.