Three SIM Cards Adapter with Specific Protective Plastic Backside Case for Iphone 4

Three SIM Cards Adapter with Specific Protective Plastic Backside Case for Iphone 4

Overview:

- Easily to switch 3 SIM cards without turning off the phone
- No need to cut your SIM card
- No data loss when switching 3 numbers or turning on/off the phone
- User friendly option menu will embed into your phone menu system
- Very simple operation, easy plug & play
- Comes with specific protective plastic backside case