There are Serial Bluetooth Adapters bring wireless Bluetooth technology to your RS-232 serial equipment, allowing you to eliminate messy cables. With a range of up to 330 ft (100 meters), you can communicate with serial devices beyond the reach of conventional cables. Simply plug the wireless adapter into your serial equipment and transfer data to and from
Bluetooth-enabled devices.
With no software required, the Serial Bluetooth Adapter is a true plug-n-play solution. All you need to do is plug in the serial adapter to serial RS-232 equipment with a DB-9 connection and enjoy the freedom of wireless Bluetooth technology. In addition, the unit features external DIP switches allowing you to easily configure the baud rate with the simple flip of a switch. It is also fully compliant with Bluetooth 1.1 specifications and supports authentication and encryption.Hurry to get bluetooth adapters from Sourcinggate.com
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Sure, you can.Just like your house contains two rooms,and you can take one room one night,unnecessary to take both.It is easy to understand.Right?lol......

Dual Sim Phone let you get two calls simultaneously
Dual SIM phone indicates that one cell phone with two SIM card slots,and you can receive two calls simultaneously(namely dual standby).People are always pesky in taking two cell phones when on business trip.Now,dual SIM phones have solved this issue,you don't have to take two cell phones beside you,unnecessary to switch between two sim cards,it is rather easy and convenient for you to receive two calls from two different countries at one time,that saves your much time and energy,more importantly,your peer never get message "Sorry,you dialed number is busy now,please try later" and get you through instantly.
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Wifi phone supports IEEE802.11b whose maximum transmitted rate is 11Mbps.In WiFi coverage,users with WiFi phones can fastly browser Internet pages,dial and receive calls at ease,you can enjoy pleasures brought by stream media and network games which are worthy expecting,besides,you can also receive and send emails,download MP3 files,transfer digital photos which are basing on fast net rate and low consumption costs.Although WiFi is prohibited in China,Sourcinggate.com can offer international customers diverse excellent WiFi phones.Tips:Compared with bluetooth,WiFi has wider coverage and faster transferred rate.
http://www.sourcinggate.com/Cell-Phone-WiFi-Phone/c4_198/index.html