- Backup your sim card
- Allows you to copy 16 different number to one SIM card
- It is easy to switch the number without carry 16 pieces of card and without turn off your cell phone
- Support all cellphones
- Comes with Sim card reader & software CD
Specifications:Dimensions: 3.39 in x 2.13 in x 0.04 in (8.6 cm x 5.4 cm x 0.1 cm)
Weight: 1.55 oz (44 g)