High-quality Sennheiser sound: Enhance your TV listening with crystal-clear, detailed, well-balanced stereo sound.Control Type:Volume Sound modes: Three listening profiles - Speech, Music, Neutral - to adjust the sound to your preference for TV, music, podcasts, and streaming video. Easy volume control: Ergonomic control dial directly on the headphones offers intuitive volume adjustment. Exceptional comfort: Lightweight on-ear headphones with low headband pressure for optimal wearing comfort during long TV sessions. Long battery life: Up to 20 hours playback from the rechargeable AAA batteries.