Enjoy the crisp, powerful sound of these midnight blue TCL on-ear noise-canceling headphones. The lithium-polymer battery offers up to 22 hours of listening time on a single charge, while the soft, breathable memory foam ear cushions and headband conform to the shape of your head for a secure, comfortable fit. These TCL on-ear noise-canceling headphones have a 30-foot Bluetooth connectivity range that lets you wander from your mobile device freely.