Colourful Aluminum Key USB Flash Drives1. Brief descriptionThis colorful key USB drive, it's not only a way to store your data, it can also advertise your band or company. Every time you use it , your customers will notice the information on it. It looks like just a ordinary key, but it fits with any key ring. It features Loop for lanyard or key ring, and it made of thin metal, so the texture feels good and smooth. Additionally, it's simple appearance and small size, you can take it anywhere you want, even on your own Key ring. In today's marketplace, it is one of the most economical, versatile ways to promote your company which needs to succeed.2. Quick details●Size: 55*25*3.5mm ●Material: Metal, Aluminum●Print options: Laser embossing, silk screen print●Colors: Black, Orange, Red, White, Blue, etc3. SpecificationsStorage capacity: 128MB 256MB 512MB 1GB 2GB 4GB 8GB 16GB 32GB 64GB 128GBInterface: USB 2.0Warranty: 3-5 yearsEnvironment Temperature:  -40°C - +70°CStorage Temperature: -50°C - +80°CUSB Service Voltage: 4.5V-5.5VStorage Lifetime: More than 10 yearsUse A-class chip, can be erased repeatedly for 100,0000 timesOperating System: Win98/ME/2000/XP/ Vista/win7 /win8/win10, Mac OS 9.X/Linux2.4 or aboveUSB connection, support Hot plug & PlayEasy to read and read in high speed ,No need drive/power supply only plug in 4. OEM services●Standard data preload●Menu-prompt auto-run●Auto-play auto-run●Non-erasable content