IOT 2022

After what Bluetooth is named?

	It named after Jaap Haartsen, the inventor of the Bluetooth that had a blue front tooth.
	It named after the waves of the Bluetooth technology that can be seen as blue and has a tooth shape.
	It named after Harled ‘Bluetooth’, a great Viking warrior.
	It named after blue tooth shape of the technology antenna.

	Saves battery power
	Has wide documentation
	It is widely spread across smartphones
	All the above