Check out these cool looking speakers that looks just like Bulbs. They are actually called the SoundBulb, the SoundBulb is a wireless speaker and also a lighting device.
Inside there is a functioning LED light bulb, it consist of no wires. So it is basically a wireless speaker bulb lol. Well this is how it works, it uses bluetooth technology to stream audio to the speakers from most computers or even your cellphone.
When it comes to the bulb, it uses a on/off switch for the wireless receiver is on the side. The light and speakers are powered from the socket it is plugged into.