2-in-1 Twin-SIM Card with Auto Timer SIM Switch (13th-Generation)
Combines two SIM cards into one card - Built-in STK menu creates an extra menu in your cell phone for switching between the two SIM numbers on the fly - Features automatic SIM swap configurable timer from 0 to 99 minutes (0=disable timer) - When automatic SIM swap is enabled the cell phone is turned into a dual standby mode . It will stand by for both networks. Whichever number is called the phone rings (note: this functionality depends on carrier configurations).