If you're looking for a convenient way to enjoy your favorite music on-the-go, then the Tumbler With Speaker from Sichuan Uplus Science and Technology Co., Ltd. is the perfect accessory for you! As a leading China-based manufacturer, supplier, and factory of innovative electronics, Sichuan Uplus Science and Technology Co., Ltd. has designed this tumbler to meet the ever-growing demand for a Bluetooth speaker that can also keep your drink cold or hot. The tumbler's high-quality speaker produces rich, clear sound that will elevate your music experience to the next level. The Bluetooth 4.2 technology allows you to easily connect your device, while the long-lasting battery ensures you can enjoy your tunes for hours on end. Its double-walled stainless steel construction is vacuum-sealed to keep your drinks hot or cold for longer periods. Whether you're on a hike, relaxing at the beach, or having a picnic, the Tumbler With Speaker is an essential companion for any music lover. Get yours today from Sichuan Uplus Science and Technology Co., Ltd. and take your music wherever you go!