Bluetooth is a wireless technology that allows computers, phones and other devices to talk to each other over short distances (up to 100 metres). Bluetooth uses radio waves (in the 2.4 Gigahertz range), and is designed to be a secure and inexpensive way of connecting and exchanging information between devices without wires.
You’ll find Bluetooth in many of the newer mobile phones, handheld computers, laptops, printers, handheld organisers, as well as in all sorts of products.
Uses of Bluetooth include: sending photos from your mobile, exchanging business cards, sending voice from a headset to a mobile phone, and real-time satellite navigation using GPS.
[…] However, you need a starting point for explaining bluetooth which we first wrote about in 2014 and t… […]