Take your music experience to the next level with boAt Rockerz 551ANC, engineered for immersive sound, thumping bass, and uninterrupted listening. Featuring Hybrid Active Noise Cancellation up to 35dB, these headphones let you focus on what matters while blocking out distractions. Flip to Ambient Mode when you want to stay aware of your surroundings. Feel the power of 40mm drivers with boAt Signature Sound, delivering rich, punchy bass and crystal-clear audio for music, movies, and gaming. With an incredible 100 hours of total playback, your playlists and calls go on without pause. Need a quick boost? Just 10 minutes of charging gives 10 hours of playback, keeping you moving and grooving without delay. Stay connected with ENx Technology, ensuring smooth, disturbance-free calls every time. Plus, customize your listening experience with dual EQ Modes Signature & Balanced, designed to enhance every beat and note for the perfect sound, no matter your mood. Key Features: Hybrid Active Noise Cancellation up to 35dB – block out distractions Ambient Mode hear your surroundings when needed 40mm drivers with boAt Signature Sound – thumping bass & clear audio Up to 100 hours total playback with 10 mins ASAP charge = 10 hours ENx Technology crystal-clear call quality Dual EQ Modes Signature & Balanced for customized audio Comfortable, stylish design ideal for music, gaming, and calls