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Bluetooth mouse fully reflects the mobile office mobile features,50 grams of weight and 8.8( long ) x 3.25( high ) x 49.5( W) volume, size of less than1/ 2 of the palm, out of office with this product is quite convenient. The effective range of up to 10meters of above. This Bluetooth mouse product packaging and accessories include: Bluetooth mouse, rechargeable battery, USB charging line, instructions for use.
" Bluetooth" technology is a company founded in 1998September and private non-profit organization Special Interest Group (SIG ) developed a standard. SIG itself does not make, production or sale of any Bluetooth devices. Why to say " Bluetooth" itself is a standard, but not the frequency ( RF )? Because Bluetooth uses frequency and2.4G RF, are in most countries free, unlicensed2.4-2.485GHz ISM ( industrial, scientific, medical ),LED Lighting module but the Bluetooth technology in2.4G wireless technology increases the adaptive frequency modulation ( adaptive frequency hopping, AFM ), to achieve full-duplex transmission mode, and the realization of 1600/ s automatic frequency modulation. In addition, the technique enables Bluetooth receiver and transmission method both the spacing of 1Mhz, divided at its79 sub-band mutual matching.
Bluetooth Technology
Bluetooth wireless technology is a short-range wireless communication technology, is capable of realizing multiple device between wireless link protocol, is a kind of simple and stable wireless connection means, by virtue of its use in the distance, anti-interference ability, ease of use, security and other aspects of the leading Bluetooth mouse, at the same time the Bluetooth equipment cost also unceasingly in the fall, the Bluetooth technology has gradually become the mainstream technology of wireless peripherals.
After years of development, the Bluetooth technology has already by original1 standard to the development of current2.1 standard ( including 1.1,1.2 and2to three standard ). New generation standards are based on the original standard to enhance the data transmission rate, reduce the power consumption and downward compatible version of specification. Because Bluetooth version 2.1introduced later cause ( August 1, 2007 SIG published a Bluetooth version 2.1specification
All Bluetooth equipment must have the Bluetooth logo
Because of the Bluetooth technology by 2.4-2.485GHz ISM ( industrial, scientific, medical ) band increased specific agreement, so that it can make any Bluetooth device within a certain range of each other and connected, paired data transmission. This technique has the advantage of not only to reduce or even eliminate the wireless equipment interference phenomenon, and even make the Bluetooth equipment more adaptability, low cost. In addition, Bluetooth transmission rate up to1Mbps and 2.4Ghz per second,Bluetooth keyboard device although not networking solutions for 2Mbps to still have certain difference, but still higher than that with 27MHz wireless technology.
According to the use of the long distance between, Bluetooth can be divided into industrial standard of "Class1"," Class2" daily life common standard and the transmission distance is the shortest of the" Class3" standard. The industrial uses of Class1standard can provide up to 300feet or 100meters of the propagation distance, and our common Class2standard provides3 feet or10 meters distance, Class3 standard is only1 feet or1 meters distance. Of course, the transmission distance is, its power consumption is bigger. The wireless key mouse standard Class2power consumption for2.5mW, so with the standard Bluetooth devices typically have a longer battery life.