what are wi fi and blue tooth please. What are those ear phones with that little thing in the middle.?

Question

Im sorry I really dont know and want to know what they are.

Answer 1

Bluetooth= Wireless for sending files etc phone to phone or pc and for wireless earpeices and many other things
Wifi= is for connecting laptop etc, wirelessly to a internet network
The headphones you are thinking of, are subwoofer earphones, and you can pick them up on ebay.. sound good........

Answer 2

Blue Tooth is a local wireless network that different objects can use to share "services".

Wi fi is a protocol that allows you to surf the internet without wires. So bluetooth can be used for more than wifi. Wifi is faster than bluetooth for data access.

In reality you will get a bluetooth phone with a bluetooth hands free accessory (the thing in their ears) and be happy.

Wifi is more for computers than for phones :)

Answer 3

What c r ap some people talk.
Both are types of wireless communication. Blue tooth is lower powered. It uses the same lower bandwidth space as 802.11b wi fi it is limited. It has a max bandwidth of 720kbps at optimum performance. It has a max operating distance of 10m
As such Blue tooth is better suited to low power devices such as phones and PDA's. It is much slower than wi fi. so has limitations such as distance and is not suitable at all for transfer of large amounts of data such as Internet browsing.
One of the main advantages of Blue tooth is that it uses frequency hoping, changing up to 1600 times a second making it very secure.

Wi fi uses 2 modulation techniques 802.11b at 2.45Ghz for up to 11mbps and 802.11g for up to 54Mbps. This is the normal type for new devices. Ranges are vastly increased up to 80m. However it is necessary to ensure that the signal is encrypted as it is easy to scan for it and lock on to.
An increasing number of devices are employing wi fi including laptops, PCs, printers and PDA's. A recent addition to the market are IP phones that connect directly to a wireless router and are able to connect directly to VOIP service providers such as Skype without going through the pc, or even having to have the pc on.
Down side to these is the low battery time between charges.

Answer 4

lol dont each and every individual think of of in some unspecified time quicker or later of their lives they're particular brokers...i do it each and every of the time...walking around tesco speaking pretending im on a secret project....then at the same time as human beings walk previous me with one on im thinking "have they been sent to kill me" i like tesco