Bluetooth....

Bluetooth is a wireless protocol utilizing short-range communications technology facilitating both voice and data transmissions over short distances from fixed and mobile devices, creating wireless personal area networks ( PANs ). Bluetooth provides a way to connect and exchange information between devices such as mobile phones, telephones, laptops and video games consoles over a secure, globally unlicensed Industrial, Scientific and Medical 24 GHz short-range radio frequency bandwidth. The Bluetooth SIG consists of companies in the area of telecommunication, computing, networking, and consumer electronics.