Jewelry Metal Cross USB flash

 Jewellery pen drive metal gift USB flash drive 32gb USB 2.0 flash 16gb flash drive 8gb pen drive 4gb USB key micro USB for laptop Specifications: · storage capacity: 1GB/2GB/4GB/8GB/16GB/32GB/64GB ·Interface: USB 2.0 ·Environment Temperature: -40C - +70C ·Storage Temperature: -50C - +80C ·USB Service Voltage: 4.5V-5.5V ·Storage Lifetime: More than 10 years ·Use A-class chip can be erased repeatedly for 100,0000 times ·Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or above ·USB connection: support Hot plug & Play. ·Easy to read and read in high speed, No need drive/power supply only plugin   4GB = approximately3.5GB-3.8GB 8GB = approximately 6.9GB-7.3GB 16GB = approximately 14GB-15GB 32GB = approximately 28GB-30GB 64GB = approximately 58GB-60GB  This is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information.