The first Bluetooth speaker was developed in the late 1990s by Ericsson in Sweden. Called Bluetooth, it was envisioned as a wireless alternative to RS-232 data cables. The name "Bluetooth" was inspired by Harald Bluetooth, a 10th-century king known for uniting Scandinavia. The technology was designed to connect cellular phones, fax machines, laptops, PCs, printers, digital cameras and... https://www.coherentmarketinsights.com/market-insight/bluetooth-speaker-market-5401