Sony presents Open-Air Cordless Headphone , model MDR-IF140K. The company is engaged in manufacturing a wide range of compatible and durable accessories. The Cordless Headphones are light weight and Open-Air type. The Volume control is located in one earpiece and allows volume adjustment for both channels. This Cordless Headphone is provided with large 30mm Driver Unit for outstanding Sound Reproduction. It enables Signal Reception of up to 7m. It is equipped with 2 Audio Inputs Available to connect TV, Audio Equipment and PC. It is supplied with several accessories like AC Power Adaptor, Unimatch Plug, 1.5m Cord. This headphone costs 2,990. Cordless Headphone, model MDR-IF140K comes with following specifications: