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music mini speaker price and the Bluetooth version of the invention

Rita www.jaskeyworld.com 2014-10-14 22:13:27

  Many electronic products are now available in the market with Bluetooth function: mobile phone, tablet,music mini speaker priceEtc., especially Bluetooth speaker, emerged in all material new speaker a few calls with Bluetooth function such as:music mini speaker price, Are very good Bluetooth speakers, music mini speaker price Bluetooth connection is stable, music mini speaker price easy to operate, high-quality sound, attractive appearance and other characteristics. Now Bluetooth technology has become an essential part of our lives. Bluetooth in the end is who invented it? Named invention will be described below and you have those versions.

  music mini speaker price Bluetooth Swedish Ericsson is the first inventor, back in 1994, Ericsson has already begun research and development, to February 1998, by Ericsson, Nokia, IBM, Toshiba and Intel5 a multinational company jointly established a global small-scale wireless communication technology, which is now Bluetooth.   

Why music mini speaker price Bluetooth naming it? This is to be derived from a short story, there is a tenth century Danish king called Harald Blatand, this population tooth clever, sociable. He will be in Norway, Sweden and Denmark unity up. Because he likes to eat blueberries, blue gums often, so there is a Bluetooth King said. Designers feel when determining the music mini speaker price name "Bluetooth" name very expressive, but Blatand King's personality is very consistent with features of this technology, the use of "Bluetooth" name. music mini speaker price Bluetooth logo design from Harald Bluetooth in the name of "H" and "B" two Bluetooth logo origins letters, with ancient Nordic alphabet to represent these two together, they become a Bluetooth logo.

  Up to now, a total of music mini speaker price Bluetooth V1.1 / 1.2 / 2.0 / 2.1 / 3.0 / 4.0

Six versions of which, V1.1 / 1.2 version genus early technology has been basically eliminated, while currently the most widely used is the 2.1 version, the transmission rate can reach 2M / s or more, and music mini speaker price can transmit data and voice simultaneously, V3 .0 and V4.0 version is the improved version, the transmission speed and distance have greatly improved.

We usually see is "Bluetooth Core Specification Version 2.1 + EDR" argument is what does that mean? While Bluetooth fastest speed in the transmission theory has reached 24Mbps, but there is no need for a transfer over Bluetooth applications 1Mbps. Therefore to achieve transfer of large data streams, people introduced the EDR (Enhanced datarate, music mini speaker price Bluetooth technology enhanced rate acronym), music mini speaker price which greatly improves the data transfer rate of Bluetooth technology, reaching 2.1Mbps. except get more stable audio streaming of lower power consumption, they can also take advantage of the bandwidth advantages simultaneously connect to multiple music mini speaker price Bluetooth devices , so that all devices have a satisfactory transfer rate.

music mini speaker price