Jensen 900 MHz Wireless Headphones let you watch TV in bed without disturbing others, listen to the game while working around the house and more! These Headphones have 32mm Mylar speaker elements for full frequency response, ferrite magnets and 900 MHz technology that transmits clear, lifelike sound through walls and floors at distances of up to 15‰. Comfortable self-adjusting headband. Two AAA batteries not included.