- Combines two SIM cards into one card- Works with both traditional GSM and 3G cards (depending on carrier、 3G video call and HSDPA/HSUPA?features may not work)- Built-in STK menu creates an extra menu in your cell phone for switching between the two SIM numbers on the fly- STK menu features six selectable languages:?English、 Chinese、 Russian、 French、 Spanish、 and Arabic- They package will be shipped in random style <br />                                                                                                                                Dimensions: 1.02 in x 0.59 in x 0.04 in<br />Weight: 0.71 oz