Bluetooth
Hello everyone, Our new product is the Bluetooth earphone. What is the Bluetooth? It is very important. Okay, now I want to introduce the Bluetooth technology first.
Cables have become a headache in many offices and homes. Bluetooth is wireless a cable-replacement technology based on short-range radio used to connect digital device.
A Bluetooth chip is designed to replace cables by taking the information normally carried by the cable, and transmitting it to a receiver Bluetooth chip, which then gives the information received to the computer, phone, or other device.
To establish a connection, two Bluetooth-equipped devices must be within a 10 meter range. Because Bluetooth utilizes a radio-based link, line-of-sight connection is not required.Interference from other signals is avoided by hopping to a new frequency after transmitting or receiving a packet.
1.  Your laptop could send information to a printer in the next room.
2.  You could use your mobile phone to control your home alarm system.
3. Your mobile phone headset could communicate with a mobile phone in your pocket, or even in another room.
4. You can surf the Web or write emails on your laptop while your mobile phone is in your bag and no wires in between.
电缆已经让很多家庭和公司都感到头疼。蓝牙是一种无线的电缆替换技术，是基于短波无线电用来连接数字设备的技术。蓝牙芯片是为了替换电缆而设计的，它接收了通常由电缆传递的信息，然后传给一个蓝牙接收芯片，帮助计算机，电话或其他设备接收信息。为了建立连接，两个装有蓝牙技术的装置一定要在十米以内。因为蓝牙利用短波无线电连接技术，所以就不需要视距连接了。通过传输或接收数据包后跳到一个新的频率以避免其他信号的干预。
1.  笔记本电脑可以给隔壁房间的打印机发送信息。
2. 可以用移动电话来控制家中的报警系统。
3. 移动电话的耳机可以和口袋里甚至另一个房间的移动电话进行通话。
4.  如果移动电话在包里或没有连接线可以用笔记本电脑上网或写。
headset

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