Quantity 1 Piece Color Yellow Material Aluminum alloy + Plastic Compatible Models Iphone 4 / 4S Other Features Online switch function dual standby function default selected card function; Support 3G 2G card can make video call can surf the Internet; Three SIM cards in one mobile; 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; SIM 1 / 2 can set time: 003 for auto standby SIM 3 can switch by hand; SIM 1 / 2 can edit number but SIM 3 can not Packing List 1 x Triple card adapter