wholesale jacket IPHONE4S phone U disk U disk USB Apple phone shell

wholesale jacket IPHONE4S phone U disk U disk USB Apple phone shell

 

 

1. Electronic storage media, the use of A-level flash memory chips. No mechanical components, anti-vibration, anti-electromagnetic interference 

 

2. Support software encryption, auto-play ads, a two-disk function. 

 

3. Can be repeatedly erased more than one million times the storage life of 10 years.