Bluetooth headset, convenient or just for ... jewelry?

In the past 1 year, high-tech young people and hi-tech fashion often appear on the street with a "tingling" headset on one ear, like a communication device in fake films. "spy 007" idea or action. It's a Bluetooth headset, a new "toy" that comes with high-end mobile phones.

Is Bluetooth ™ "green-toothed"?

The word Bluetooth is taken from the name of Harald Bluetooth, a Viking known for his ability to help people communicate and negotiate with each other. He was known by world history for having unified Denmark and Norway, when he was the king of Denmark.

Developed by Ericsson in 1999, Bluetooth today is a wireless communication technology linking various types of electronic devices, manufactured by many manufacturers. In other words, Bluetooth allows these devices to "talk" and "send" data to each other without the need for connecting cables.

On the mobile phone market, Bluetooth wireless technology allows connecting headsets to phones, enabling users to be hands-free when talking. Bluetooth headsets for mobile phones are especially useful when you drive a car or frequently turn your hands and feet on.

Bluetooth technology is very safe because it uses 1,000 times weaker electromagnetic signals than standard wireless technologies of cell phones, so it is not harmful to the human body. This wireless technology is also quite secure because when a connection is established, it is difficult for any device to eavesdrop or steal data. Bluetooth devices can be connected to each other within a maximum distance of 10m (due to the use of weak waves) and do not need to be frontal.

Bluetooth headsets connected to mobile phones use a procedure called "pairing".Just a few simple steps in a few minutes, a mobile phone can pair with a Bluetooth headset.

Fashion "eye-catching"

From the left, some people might think Huy is having a problem . nervous.As he walked in the hall, Huy was just shaking his hands and arms, muttering and talking, occasionally lifting his head to look dumbfounded and grinning.A little closer and looking to the right, Huy looks a bit like a fictional character now, with a special device on his ear.Looks like he's talking to him.

The type of device that Huy wears on his ear is now becoming a fashionable mobile fashion in Vietnam, which is hand-free fashion, meaning hands-free.That's the Jabra BT800 headset, connected to your mobile phone via Bluetooth technology.Handsome in that the device freed Huy's hands and no longer had to hold the earlobe.Fashion in a special style, it is not necessary to connect the headphone cord from the mobile device in the pocket up to the ear like the first-hand free technology, but if not looked carefully, it is easily mistaken to wear the device. . Hearing Aid.

With hi-tech design design, this headset allows you to receive calls to your mobile device with a single "pip" tap, then you can comfortably and "trade". . push weights in the gym.It also has a tiny screen that indicates the number of phone calls.Not only that, Huy can also "shout a sentence" into the headset to be able to make calls, through the voice dialing feature on his mobile phone.

Practical needs

The Bluetooth headset also allows searching contacts on the phone to make calls without touching the phone.In general, with headphones, you'll rarely have to go to your phone when you're at home.I don't know if the phone signal is harmful or not, but it is not necessary to apply it to my head.

Listening to the features of the Bluetooth headset, you probably also see "handy" for it and want to buy one right away.Always, convenience is always proportional to the cost.The price of the Jabra BT800 that Huy uses is not "dirty" at all, more than 150 USD, equivalent to 2.5 million VND, more than enough to buy a decent "color screen" mobile phone.In addition, mobile phones that support Bluetooth technology are not cheap, at least 4-5 million.If you like to use PDA-cum-smartphone models, have a hard drive to listen to comfortable digital music, then the cost must be between 10-20 million . and more.

Many people will assume that if only to hear and listen to music, then the cost is not worth it.But Bluetooth headsets are still gaining popularity among young people.Just like the transportation method, if you only need to move, you need to buy cars and motorbikes.But everyone still dumps that car.A Bluetooth headset also increased the "more" part for the owner, creating a confident style and high-quality "technology", even if you have to grit more heavily.

The convenience of Bluetooth headsets also has very practical benefits, especially for busy entrepreneurs.Thanks to it, they can both communicate over the phone, typing on a computer key or searching for records.When driving a car, Bluetooth headsets also help you focus on driving more, driving safer because you don't have to bend down to look at the machine and still control the steering wheel with both hands.In some developed countries, while holding a mobile phone while driving is considered illegal, using a Bluetooth headset is still considered valid because it can still control the car with two hands.

Bluetooth headsets also have the ability to display caller names (special rings) and vibrate modes such as the phone's, list of dialed and dialed calls . Better, it has filter noise so that listeners on the other side do not have tinnitus, as well as help to hear clearly in a noisy environment.

If it's a smartphone, Bluetooth headsets also allow listening to digital music from mobile phones with high quality stereo sound.While working and listening to digital music, when there is a phone call, you can switch from listening to music to receiving calls.After talking, I can switch back to listen to the unfinished song, which is very convenient.Of course, to listen to music, it sounds better than one ear, and because there are also two-ear Bluetooth headsets, connected to a cell phone, laptop or PC as a high-quality wireless speaker.

If you have a habit of leaving your phone out of your body, there may be times when you have to panic to search when the phone rings.But if you have this headset, you just need to press a button, and the device can be found later.

How to select a Bluetooth headset

Most Bluetooth headsets have a range of 10 meters from a mobile phone, as this is a feature of Bluetooth technology.This device also has its own battery to operate, depending on the model, can be charged via a charger such as a phone or plugged directly into a USB port on the computer.If you are a business traveler, it is best to choose a headset that can be charged via the computer's USB port to take the initiative.

On the market there are also Bluetooth headsets with prices not too high, only about 50 USD is available.Regardless of the type of headset, the criteria not to be missed are the ability to listen to the sound, the microphone to receive the voice must be clear and clear, the waiting time and the speech must be long in actual use conditions.The same is true for battery life.Typically, earphones have 3-10 hours of continuous talk time, 150-500 hours of standby time (standby).

To choose to buy a Bluetooth headset, it's best to try it directly with your mobile phone, to ensure compatibility.In many cases, mobile phones do not recognize all the features of a headset and are considered a headset rather than a hand-free device.In this case, the headset only allows calling, listening to the phone and music, but cannot display contacts, voice dialing or other convenient features.

Major mobile phone companies like Nokia, Sony Ericsson, and Motorola have Bluetooth headsets, which are compatible with the same phones.In addition, a number of other well-known brands of Bluetooth headsets are Jabra Logitech, Plantronics, Blue Trek . In order to "invest" effectively, it is best to choose a Bluetooth headset compatible with many mobile phones. Different carriers, to avoid having to replace headsets when changing phones.

A particularly important thing when choosing to buy a Bluetooth headset is to wear it for a long time to feel the comfort of the headset.Because specificity can be worn all day if your work is always busy, it is best to choose a light, hooked headset that is soft and malleable, avoiding the purchase of hard plastic earbuds.Otherwise, you will quickly have to give up the idea of ​​wearing a Bluetooth headset when you see a normal left ear, right ear . red and swollen!

Peaceful