Technology Sony WH-H910N review: Active noise cancellation at lower price Updated : February 14, 2020 06:23 AM IST Sony headphones always win our vote for comfort, and the 910n is no different. Sony claims 35 hours of battery life on a single charge under ideal usage conditions, and we managed to get over 32 hours of backup. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.