Boult Audio has launched its latest affordable neckband-style wireless earphones, the Curve Pro. Priced at Rs. 1,499, these earphones offer IPX5 water resistance and are available in three colours.Boult Audio has launched its latest affordable neckband-style wireless earphones, the Curve Pro. Priced at Rs. 1,499, these earphones offer IPX5 water resistance and are available in three colours.