Feature: 1. USB2.0 interface, up to 12MB/s read speed, you can transfer pictures files easily. 2. Zinc alloy material, comfortable hand feeling, shockproof and anti-fall, solid and durable. 3. Small size, not occupy space, equipped with a key ring, easy to carry and use. 4. No driver required, plug and play, support PC, laptop, car audio and other USB interface devices. 5. Compatible with Vista, Win7, Win10, Mac OS, etc. Specification: Features: USB2.0 interface, up to 12MB/s read speed, you can transfer pictures files easily. Zinc alloy material, comfortable hand feeling, shockproof and anti-fall, solid and durable. Small size, not occupy space, equipped with a key ring, easy to carry and use. No driver required, plug and play, support PC, laptop, car audio and other USB interface devices. Compatible with Vista, Win7, Win10, Mac OS, etc. Specification: Color: Silver Material: Zinc alloy Capacity: 32GB/64GB(optional) Maximum read speed: 12MB/s System requirement: Windows Vista, Win7, Win10, Mac OS, etc. Operating temperature: 0℃-60℃ Storage temperature: -25℃-85℃ Item size: 4.8 * 1.2 * 0.5cm /1.89 * 0.47 * 0.2in Item weight: Approx. 8g /0.28oz Packing list: 1 * U Disk Package List: 1 * U Disk