Now just worrying about Wires hanging from here and there. Wired is passé. Connect with any Bluetooth device, connect and play. Dead Batteries can kill your vibe. boAt Rockerz 610 is designed to play Up to 20 hours. It has a High Definition Sound. Don’t just be loud, be loud and clear. We guarantee you have not heard such powerful bass and vocal clarity from a wireless headphone with Extra Comfort Earcups. The boAt Super Bass Rockerz 610 Wireless Headphones will make your listening experience personal and for real. Built on the side of the earphones that allow for seamless connectivity between calling and music, down to every detail including the in-built mic. Plug it in and Plug into Nirvana!