Closed-back headphones with volume control. Wireless system at 863 MHz allows listening to programs, movies, or music without the clutter of cables, providing complete freedom of movement. Comfortable and elegant charging base. Wireless stereo TV headphones with a compact charging base, universal compatibility. Signal penetrates walls with a maximum range of 100m in open space. Quick connection to TVs and other analog and digital audio sources. Headphones feature 3 audio inputs: digital optical (Toslink), digital coaxial, and analog AUX (3.5 mm jack), compatible with virtually all TV models on the market. Compact charging base ideal for storing headphones after use. Approximately 8 hours of continuous use with lithium polymer battery. Excellent acoustic isolation from ambient noise. Lightweight, ergonomic, and comfortable, with oval-shaped ear cups that perfectly fit the shape of the ear. Three transmission channels available to avoid interference.