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Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.
For example, when you use a mobile phone with a Bluetooth headset, the phone uses SDP to determine which Bluetooth profiles the headset can use (Headset Profile, Hands Free Profile (HFP), Advanced Audio Distribution Profile (A2DP) etc.) and the protocol multiplexer settings needed for the phone to connect to the headset using each of them.
It is a version of Nokia's 6600 smartphone for the North American market, with all the features of the 6600 such as the VGA camera, MultiMediaCard slot, Bluetooth and color screen, but with a change to the North American GSM frequencies, newer version of Nokia Series 60 v2 with Feature Pack 1 (the original 6600 had common Series 60 v2 without ...
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.
240 x 320 pixels, 2.1-inch, TFT LCD, (16 million colours) Rear camera. 2 megapixels. Connectivity. Bluetooth Class 2 version 2.0 with A2DP, 2.0 micro- USB. Data inputs. Keypad. The Nokia 5310 is an XpressMusic mobile phone, introduced by Nokia on 29 August 2007 [1] and released in the fourth quarter of 2007. [2]
The Nokia 808 PureView features a 41 MP 1/1.2 in (10.67 × 8 mm) sensor and a high-resolution f/2.4 Zeiss all-aspherical 1-group lens. The 808's sensor was the largest (over 4 times larger than typical compact cameras ) sensor ever to be used in a cameraphone at the time of its launch, a record previously held by Nokia's N8 [ 6 ] and, as of ...
Headphones that use cables typically have either a 1 ⁄ 4 inch (6.4 mm) or 1 ⁄ 8 inch (3.2 mm) phone jack for plugging the headphones into the audio source. Some headphones are wireless, using Bluetooth connectivity to receive the audio signal by radio waves from source devices like cellphones and digital players. [5]
The Nokia Lumia 520 is an entry-level Windows Phone 8 smartphone [ 5] announced by Nokia at the 2013 Mobile World Congress. [when?] In September 2013, the Lumia 520 became the best-selling Windows device in the world, selling more units than any other model of Windows phone, PC or tablet. [ 6][ 7] By July 2014, the Lumia 520 has had 12 million ...