Brand: Roollmantaker

🎶 【Active Noise Cancellation ANC】: Advanced ANC technology greatly reduces airline, crowded and noisy environments. Stay away from distracting sounds and immerse yourself in the ideal music, movie, audio book or video. You can finally listen to what you want to hear and focus on yourself.Noise canceling works smoothly in both wired and wireless modes. 🎶 【40H Playtime&Fast Charge】Up to 40-hour Playtime with quick charging (5 min charge for 2 hours of playback).You can now enjoy 40 hours of uninterrupted music, video or movies in bluetooth mode for long flights or trips with just one full charge.Reminder: It is highly recommended to remove headphones every 1-2 hours, so your ears can relax for a pleasant hearing experience. 🎶 【40mm large-aperture drivers】The wireless headphones are equipped with 40 mm drivers. Our 40mm powerful drivers for noise-canceling headphones produce superior sound with crystal clear clarity and balanced deep bass response for any type of music you like.