Baseus AirNora 2 has Anc active noise reduction.One-touch calling function to quickly dial a preset number in an emergencyBaseus instant flash charging, it only takes 1 hour to fully charge,the battery life is more than 30 hourssmall mirror design inside the box is convenient for travel.Plus, The headsets come with an extra long battery life of up to 30 hours of battery with the case and a fast charge option that gives you an extra 2 hours of power with just ten minutes of charging. And for those who want style and substance, the Baseus AirNora 2 has you covered. Deceptively tough, they come with IP55-rated rainproof protection and a 1-year warranty.