Axess HPW603-BK Over-Ear 900MHz UHF/RF Stereo Wireless Headphone with Noise Reduction Technology Double PLL & MCU system used for TV,LAPTOPS,TABLETS,DVD.PC... Active noise cancellation reduction technology auto tuning for headphones 900MHz UL adapter included in the box Includes: wireless headphone,RF transmission, connection cable,(3.5 mm phone jack RCA plug)