4GB = approximately 3.2GB-3.8GB
8GB = approximately 7.2-7.6GB
16GB = approximately 14GB-15GB
32GB = approximately 28GB-30GB
64GB = approximately 58GB-61GB
128GB = approximately 119GB-121GB
1.This is calculation difference between manufacturer and your PC, please Google ‘Memory card capacity’ to get more information.
2.Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.The pursuit of the perfect person is not recommended to buy.
storage capacity: 4GB/8GB/16GB/32GB/64GB/128GB/256GB
Interface: USB 2.0
Environment Temperature: -40?C – +70?C
Storage Temperature: -50?C – +80?C
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 plug in.
1 x Micro SD Card + Retail Package