Bose SoundLink Max Bluetooth Portable Speaker combines big-speaker energy, grab-and-go convenience, and lasting power so you can turn up the vibe all day and night. Whether you’re the go-to DJ or a music lover with the best playlists, the Bose SoundLink Max Party Speaker is the ultimate party starter. With up to 20 hours of battery life*, this big Bluetooth speaker lets you listen even longer. It’s perfect for a poolside, beach, or rooftop hang since it doubles as an IP67 rated waterproof Bluetooth speaker and is dust-proof. Plus, the removable rope handle strap is super convenient for bringing the Bluetooth boombox anywhere. An optional shoulder rope carrying strap (sold separately) lets you carry the bluetooth speaker around while keeping your hands free. The USB-C port on the back of the large portable speaker lets you charge straight from the speaker’s built-in battery. This Bose portable speaker also includes an AUX input so you can connect any 3.5mm wired device to let the good tunes roll on. Stay connected with the Bose app to take full control of your Bluetooth speaker and adjust features like bass, mid-range, and treble levels, or use the app to check the speaker battery life or manage connected devices. Take the party to the max with the Bose SoundLink Max Bluetooth Speaker. *Using Bluetooth A2DP audio at 65% volume and between 68° F – 77° F (20° C – 25° C), with default EQ using a mix of Top 50 Global tracks as of October 2023 and no charging of external devices. Battery performance varies with individual user conditions such as audio content, loudness, and environmental temperature.