Learn about NFC technology on smartwatches

Surely many of us have heard about NFC technology, one of the technologies that is being noticed in the development of smartphones. And today, a number of major brands such as Apple, Garmin, Sony, Oppo, … have also launched smartwatches that support NFC wireless connection technology. Let’s learn about NFC technology on smart watches with Tnhelearning.edu.vn!

Definition of NFC

NFC (Near-Field Communication) can be understood as a short-range communication technology , a two-way wireless data transmission technology that does not depend on Wi-Fi, 3G or LTE connections.

NFC is based on the principle of radio-frequency identification, allowing phones, tablets, laptops, and other devices to share data with other NFC-equipped devices at once. easy way. Currently, NFC is also available on wearable devices such as smart watches, not only on smartphones.

How does NFC work?

Unlike Bluetooth, NFC does not require manual pairing or device discovery to transfer data. An NFC connection starts automatically when another NFC device comes into range, the two devices immediately communicate and send a prompt to the user.

NFC uses radio waves to transmit and receive data. To work, two devices are needed: the source device (initiator) and the target device (target). The source device will be a device equipped with an energy source to generate radio waves to power the target device.

The use of NFC on the smartwatch?

Convenient

– NFC can digitize your entire wallet. You can comfortably pay for items purchased at supermarkets, pay for tickets at tram stations, taxis or cafes,… anytime, anywhere without having to carry a wallet or smartphone. At the same time, NFC transactions are also accepted faster than credit card payments.

– Now, Apple has provided NFC support in smartwatches so that users can pay for goods using Apple Pay with a tap on the wrist. On Android devices, Sony has done the same with the wearable Sony SmartWatch 3, which also offers roughly the same functionality via Android Wear, with a few additional functions like tapping the phone to open the watch.

Simple and fast

To pay with a smart meter, all you have to do is keep your watch near the payment station without having to enter your PIN for each transaction.

Confidentiality is guaranteed

Transaction data will not be stored or shared, users will have to enter their smartwatch PIN at checkout more than 24 hours after the last payment, as well as when you put on or take off the watch.

Above is information about NFC connection technology that Tnhelearning.edu.vn shares with you. Hope the above information will help you in choosing a suitable watch!