Bose New SoundLink Max Portable Speaker, Large Waterproof Bluetooth Speaker, Up to 20 Hours of Battery Life, USB-C, Built-in 3.5mm AUX Input, Black

20 HOURS OF BATTERY LIFE*: This large portable speaker gives you up to 20 hours of battery life*, so you can listen to your favorite tunes all day and night so the party never stops POWER UP WHILE LISTENING: The USB-C port on the back lets you charge any device using the speaker’s built-in battery which means if the SoundLink Max Bluetooth Speaker has power, so does your device