What is Bluetooth?

Bluetooth is a low-cost, large-capacity short-range wireless communication specification. Bluetooth notebook computer is a notebook computer with Bluetooth wireless communication function. There is a legendary story about the name Bluetooth. /kloc-in the 0/0 century, the Nordic princes fought for hegemony, and the Danish king stepped forward. With his unremitting efforts, the bloody war was stopped and all parties sat at the negotiating table. Through communication, the princes bridged their differences and became friends. Because the Danish king loved Lan Mei so much that his teeth were dyed blue, he was called the king of Bluetooth, so Bluetooth became synonymous with communication. 1000 years later, a new wireless communication standard came out, and people named it Bluetooth.

1995, Ericsson first proposed the concept of Bluetooth. Bluetooth profile works in microwave band, the transmission rate is 1m bytes per second, and the maximum transmission distance is 10m, which can be achieved by increasing the transmission power. Bluetooth technology is open all over the world and has good compatibility all over the world. The whole world can be connected into a whole through a low-cost invisible Bluetooth network.

Bluetooth technology is not only used in computers, but also in many electronic devices, such as mobile phones, digital cameras, video cameras, printers, fax machines, household appliances, etc., to realize wireless connection without dragging a tail (connecting cable). With the popularity of Bluetooth technology, home improvement is no longer worried about the wiring of electrical appliances; When using household appliances, you don't have to worry about too many remote controls. A mobile phone or a car key can do everything. When you are away from home, the company's work arrangements and photos of family members can be obtained anytime and anywhere; You don't have to queue up to pay by punching in. You can pass by the payment point and do it easily without entering the door ... The wide application of Bluetooth technology will make our life very easy.

Bluetooth connection between mobile phone and computer: (taking Sony Ericsson as an example)

First of all, correctly install the Bluetooth adapter that drives you on the computer (I won't go into details here, please refer to relevant materials if you don't understand).

[pairing]

Plug in the adapter to connect it, and the Bluetooth logo in the taskbar should change from stopped red to connected white.

Go to the phone menu-Connect-Bluetooth-Match Device-Add Device, and then the phone will start searching for Bluetooth devices around. You will find your Bluetooth adapter soon. Select the device you are searching for and enter the identification code (just set it yourself, as long as both sides are the same, Sony Ericsson I usually enter four zeros). After confirmation, the computer will prompt you to enter the identification code. Just after entering the identification code, the two devices are paired.

[computer-> mobile phone]

When transferring things to the mobile phone, only files that can be recognized by the mobile phone can be transferred to the mobile phone, such as: picture-jpg；; Theme-thm; Audio -mid, amr；; JAVA-jar, game -mpn, etc.

Keep the phone's Bluetooth and Bluetooth adapters paired and turned on. Select the file to send and click the right mouse button-Send to Bluetooth, select the device and send. The file name and size of the transmitted file will be prompted on the mobile phone, asking if it has been received. Sometimes you receive it automatically without asking, which is related to the settings. After receiving it, the mobile phone will be automatically stored in different categories.