Music play functions and music controls with powerful battery and microphone, also get everything you need to manage your listening experience with these wireless Bluetooth headphones including volume control, play and pause music tracks control - next and previous, hands free calling with touch of a button. Up to 15 hours of music or call time supported with operating distance of 10m. The active noise cancelling around-ear headphones from Hamaan gives you crisp, powerful sound and quiet that helps you enjoy your music better. Our constant pursuit is to provide with better sound quality. Hamaan h-30 provides high-quality built-in microphone for hands-free calls, which is convenient for you to free yourself from un-interrupted conversations with your loved ones. Our goal is to give customers a quick and stable connection with your Bluetooth enabled devices with powerful Bluetooth function. Gentle reminder: please take off the headphone every 2-3 hrs to get your ears relax, in order to get better hearing enjoyment and keep the head comfortable.