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Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10. RFCOMM is sometimes called serial port emulation.
Website. www .bluetooth .com. A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).
For example, Android Beam software uses NFC to enable pairing and establish a Bluetooth connection when doing a file transfer and then disabling Bluetooth on both devices upon completion. Nokia, Samsung, BlackBerry and Sony have used NFC technology to pair Bluetooth headsets, media players and speakers with one tap.
The Xbox One Wired Chat Headset (model 1564) is a single-ear headset with a boom microphone permanently wired to an adapter that plugs into the rectangular expansion port on the bottom edge of the Xbox One controller; it also engages the two round holes flanking the expansion port with plastic alignment prongs for stability.
But in the U.S., McDonald's doesn't certify any menu items as gluten free. McDonald's has restaurants around the world with varying menus and recipes, so you'll aways want to double check the list ...
A very common application is a hands-free Bluetooth earpiece for a phone which may be in a user's pocket. There are two types of Bluetooth headsets. Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile.
Commercial and general aviation (GA) civil aircraft headsets often use a pair of phone connectors. A standard 1 ⁄ 4 -inch (6.3 mm) 2 or 3-conductor plug, type PJ-055, is used for headphones. For the microphone, a smaller 3 ⁄ 16 -inch (0.206 inch / 5.23 mm) diameter 3-conductor plug, type PJ-068, is used.