Price: (as of – Details) One-Touch Listening With Bluetooth And NFC30 mm Neodymium Driver Unit Exclusive To EXTRA BASSUp To 30 Hours Of Battery Life. Frequency response: 20-20,000 HzSwivel Ear Cups For Easy PortabilityContact us at 1800 103 7799 or visit nearby Sony Service Center in case of any queries with the productImporter Details: Sony