Internet cable; Brush line; Synchronous line; Charging line; Multi-function line.
1, Internet cable: can only be used for GPRS or CDMA 1X Internet. Typical models: V730 series; V688 series; PHS series.
2, brush machine line: Brush can only be used to upgrade. Typical Model: BenQ S700; upgrade to unlock the line.
3, Synchronous line: used to transfer the phone book; picture ringtones; SMS; multimedia information, of course, some are two-way transmission, some only support one-way transmission. Such data lines are more common.
4, charging cable: the Internet cable or sync cable plus a USB charging function, more practical and convenient, Internet and bulk SMS features. Can also be subdivided into two types with charging and charging switch, the former one plugged in to charge, the latter has a small switch, you can control whether the charge. Of course, the highest grade with a charge switch, the price is more expensive. Recommended types: CDMA Internet access series; Siemens 3508 series.
5, multi-function line: At the same time support for the Internet, synchronization, brush machine, charging, 2 or 2 more features, the new listing of Samsung's line also with a dual interface, USB synchronous Internet access;
6, charging between mobile phones: two mobile phones can be achieved between each other, mobile phones can be used as charging treasure.
Reminder: When you buy data lines is certainly more functional better, rather expensive, so equal to the first line and more.