Introducing the Design Your Own 30 oz Speaker Tumbler! This wireless speaker tumbler is perfect for those on-the-go who want to enjoy their favorite tunes while sipping on their favorite beverage. Made with stainless steel vacuum insulation, this tumbler will keep your drink hot or cold for hours. The sound lighting feature adds a fun touch to the tumbler and is sure to impress. The tumbler is made with BPA free and 304 steel material, making it safe and durable. It comes with directions and a USB charger for your convenience. Please note that while the speaker can get wet, it is not recommended to submerge it underwater.