Yes, the general bracelet and mobile phone is both available Bluetooth connection, you can also use nfc connection, unless your bracelet is an nfc bracelet, and only nfc connection is required.
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The technology evolved from contactless radio frequency identification (RFID), developed by Philips Semiconductors (now NXP Semiconductors), Nokia and SONY, and is based on RFID and interconnect technology. Near Field Communication (NFC) is a short-range, high-frequency radio technology that operates at 13.56MHz over a distance of 20 cm. There are three transmission speeds of 106 Kbit\/ s, 212 Kbit\/ s or 424 Kbit\/ s. At present, NFC has passed the ISO\/IEC IS 18092 international standard, ECMA-340 standard and ETSI TS 102 190 standard. NFC uses both active and passive reading modes.
NFC near field communication technology is evolved from the integration of contactless radio frequency identification (RFID) and interconnectivity technologies, combining inductive card readers, inductive cards and point-to-point functions on a single chip to identify and exchange data with compatible devices at short distances. The operating frequency is 13.56MHz. However, users of this mobile payment solution must replace the special mobile phone. The technology is widely used in Japan and South Korea. Mobile phone users can travel all over the country with mobile phones equipped with payment functions: their mobile phones can be used as airport boarding verification, building access keys, transportation cards, credit cards, payment cards and so on.
cellphone application
NFC devices are mainly used in mobile phone applications, and NFC technology applications on mobile phones mainly fall into the following five categories:
(1) Touch and Go, such as access control management, tickets and tickets, the user will store the car ticket or gate password device near the card reader, can also be used for logistics management.
(2) Touch and Pay, such as contactless mobile payment, where the user places the device near the POS machine embedded with the NFC module to pay and confirm the transaction.
(3) Touch and Connect, such as connecting two NFC devices for Peer-to-Peer data transmission, such as downloading music, exchanging pictures and exchanging contacts.
(4) Touch and Explore: Users can connect the NFC mobile phone to a smart public phone or poster with NFC function near the street to browse traffic information.
(5) Download contact (Load and Touch), the user can receive or download information through the GPRS network for payment or access control and other functions, such as the above, the user can send a specific format of SMS to the mobile phone of the domestic attendant to control the permission of the domestic attendant to enter and exit the house.
Devices with built-in NFC function are mainly mobile phones, and there are also many tablets and Bluetooth audio devices with built-in NFC function. Since Nokia launched the first NFC mobile phone in 2006, many devices have added NFC functions.