boAt Launches First 'India-Made' Headphones With Head-Tracking 3D Audio At Rs 3,999; Check Features Technology boAt Launches First 'India-Made' Headphones With Head-Tracking 3D Audio At Rs 3,999; Check Features News Analysis India 7 months ago The boAt Nirvana Eutopia Bluetooth headphones are available at an introductory price of Rs 3,999 in India. Read More