You can switch 2 SIM cards without turning off the phone and no need to cut your SIM card with the convenient and useful dual SIM adapter. An interface ribbon cable connects the micro-SIM card tray (SIM 1) to a standard SIM card adapter (SIM 2). It folds around the back of the phone to a place where the case holds them in to position. It is very useful for Iphone 4 / 4S.
Dimensions: 3.27 in x 0.59 in x 0.04 in (8.3 cm x 1.5 cm x 0.1 cm)
Weight: 0.18 oz (5 g)