Introducing our 20 ounce Bluetooth speaker tumbler - the ultimate audio experience on-the-go! Equipped with advanced Bluetooth technology, this speaker tumbler delivers crisp and clear sound quality, paired with convenient features like hands-free calling and voice control. The sturdy construction of the tumbler ensures safety of your drink, while the nonslip base keeps it secure on any surface. With up to 12 hours of battery life, you can enjoy your favorite tunes all day long. Whether at home or outdoors, this blue tooth speaker tumbler is the perfect companion for music enthusiasts.