Bluetooth technology is a wireless communication standard that allows devices to connect and exchange data over short distances. It operates in the 2.4 GHz frequency range and is commonly used for connecting devices like smartphones, headphones, and smartwatches. This technology enables users to enjoy hands-free calls, stream music, and transfer files without the need for cables. Bluetooth connections are typically secure and can support multiple devices simultaneously, making it a popular choice for personal and professional use.