Introducing our 20 oz tumbler with a built-in Bluetooth speaker, perfect for those who love their music on the go! This innovative tumbler not only keeps your hot drinks hot for up to 8 hours and your cold drinks cold for over 24 hours, but it also features a powerful Bluetooth speaker with vibrant LED lights. Whether you're at the beach, on a hike, or simply enjoying a picnic in the park, this tumbler speaker is the perfect companion for any outdoor adventure. Personalize it with your own custom design or logo to make it truly unique to you. With its durable construction and multifunctional capabilities, this tumbler speaker is a must-have for anyone who wants to enjoy their favorite tunes while staying hydrated on the move.