Offer the ultimate in sound entertainment with these noise canceling headphones. They help lessen road and engine noise, providing a movie or concert-like listening experience. Wireless with dual channels and volume control. These headphones are a competitively priced solution for anyone requiring additional or replacement sets, are co-branded with KOSS and carry a Lifetime Limited Warranty. Two AAA batteries are included. All are compatible with GM factory and Accessory rear seat entertainment systems.