We don't sell fake or so-called “upgraded” product, all of our products have authentic memory capacity as set forth. At our practice, we will test the product by capacity testing software before delivery, so sometimes you will see the testing files with the name 1.h2w, 2.h2w, 3.h2w, 4.h2w, ... in the usb flash drive.
* High speed and fluency in reading and writing
* Strict drop tests to guarantee the high quality and durability
* Excellent waterproof, shockproof function
* Operating Voltage: 2.7V~3.6V, operating Temp.: -25C~85C
* Warranty: one year
* 30mm * 13mm * 6mm
* Various colors for choice but subject to the stock.