About speed(USB 2.0 reader Test Result):
Class10: Write speed around 9-12MB/S,Read speed around 15-30MB/S
(usb 3.0 reader: Speed will be higher)
1.The Micro SD card speed is based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.
2.Micro SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed.
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