Product Details: Interface: USB 2.0 High Write / Read speed Size:2.01*0.87*0.196 inch Weight: 0.46 oz Capacity: 16GB USB Service Voltage: 4.5V-5.5V Storage Temperature: - 50C - +80C Storage Lifetime: More than 10 years Environment Temperature: -40C - +70C Feature: Chinese ancient coin design, a special flash drive for you. Shock resistance, damp proof, lighting resistance, anti magnetic No need power supply, no need drive, only plug in, support USB ZIP / HDD startup Small style and fashionable, convenient to carry, durable solid-state storage Use A-class chip, easy to read and read in high speed, can be erased repeatedly for 100,0000 times Compatible for notebooks, tablets, TV's, car audio systems and so on Transfer and share photos, videos, songs and other files between PC computers It is a perfect gift to your family, friends, student, etc. Package Include: 1 * 16GB USB Flash Drive,1 * Exquisite Lanyard Note: Capacity is based on 1 GB = 1 billion bytes. A portion of the memory is used for data management functions and therefore usable storage capacity will be less. Service: *The new 3 months free replacement Warranty , so you worry-free.