Sony has unveiled its ULT Power Sound series in India. The new lineup includes Bluetooth-enabled speakers — Sony ULT Tower 10, ULT Field 7 and ULT Field 1 and a wireless headphone — Sony ULT Wear. All new models feature an ULT button that lets users select different sound modes. The Sony ULT Wear have 40mm drivers with a sensitivity rating of 110dB. The Sony ULT F…