Original charger Components all in perfect condition Wireless closed-type headphones with a range of up to 150 ft Noise reduction system reproduces a clearer sound 1.57" driver unit delivers a wide frequency range Built-in automatic tuning for high quality transmission Listen for longer with up to 20 hours of battery life RF400 Wireless Home Theater Headphones Stay immersed in the action with wireless, noise-reducing home theater headphones. High quality sound from large drivers and a range of 150 feet for optimal performance1. Enjoy crystal-clear voices in your favorite shows and movies with Voice Mode and binge-watch uninterrupted with 20 hours of battery life2 in a comfortable, adjustable design.