A portable speaker  is a personal mobile device that allows the user to listen to recorded audio while mobile. Sometimes a distinction is made between a portable player, battery-powered and with one or more small loudspeakers, and a personal player, listened to with earphones.

Portable Speaker is a combination of hardware and software. The hardware end is that there’s a chip that contains the little radio station. The software factor is the software needed to connect to whichever device is being used.

a personal electronic device that allows the user to listen to recorded or broadcast audio whilst being mobile. It is a wearable or handheld device.

The development of the wireless speaker roughly coincided with the development of Bluetooth technology. Bluetooth technology was created by the Ericsson company as a wireless alternative to data cables. Basically, Bluetooth transports data using radio signals. The difference between Bluetooth and other wireless devices that use radio waves is distance. Bluetooth broadcasts over a much smaller area than things like mobile phones and television broadcasts.

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