Hello, how does de6 18 compare with Bluetooth speakers? De6 18 is different from Bluetooth speaker. De6 18 is a radio, which is a machine composed of mechanical devices, electronic devices and magnets. It uses electric energy to convert radio signals and can listen to audio signals sent by radio stations. Bluetooth speaker is a built-in Bluetooth chip, which replaces the traditional wired audio equipment with Bluetooth connection. By connecting mobile phones, tablets, notebooks and other Bluetooth playback devices, it is convenient and fast.