Resound XL will make you enjoy music even more. Equipped with advanced technology, this Bluetooth speaker automatically connects to paired devices and actually lasts up to 30 hours. It features great bass, enhanced by Aduro's proprietary passive bass radiator with unique triangular design and is downward facing. It also gives you convenient access to all media control buttons for a seamless listening experience. With one-time pairing, this speaker automatically reconnects to the last connected device via Bluetooth. Extremely lightweight and portable, Resound XL can be perfectly put into your backpack and taken anywhere.