I want a dual-mode dual standby mobile phone, what is a good introduction
Users questions: Standby time should be longer, the handset and the sound transmitter to (normal) larger, the reaction rate can not be too slow
Experts answer: opinion, if you are financially well-off, then he better buy two phones, a G network, a C network because the quality of dual-mode dual standby mobile phone mostly not very good. . .