Listen to your favorite albums wherever you are with this Marshall Willen portable Bluetooth speaker. Built with a 2-inch full-range driver and two passive radiators, this speaker delivers detailed high-quality audio, and the powerful battery offers up to 15 hours of playtime on a single charge, allowing continuous use all day long. Bluetooth 5.1 tech enables low-latency wireless connectivity for seamless music streaming, while the back-mounted strap and compact build enhance portability, making it easy to carry along with you. A built-in microphone supports hands-free phone calls, and the included USB-C charging cable delivers fast power-ups. The water-resistant and dust-proof build is long-lasting and suitable for outdoor use. This Marshall Willen portable Bluetooth speaker lets you pair similar speakers in Stack Mode to boost the audio quality | Marshall Willen Bluetooth Speaker and Brass in Black