At its core, the Vibe Tumbler is a testament to modern innovation. The integrated 5.1 Bluetooth Speaker system transforms this everyday item into a portable audio powerhouse. Imagine sipping your morning coffee or hydrating with your favorite cold beverage while immersing yourself in your favorite tunes, podcasts, or audiobooks. This VIBE 18oz Tumbler is a highly functional and useful insulated Tumbler featuring double-wall stainless steel insulation to effectively maintain the temperature of the drink for hours on end. Bluetooth speaker base. Speaker Base option has a 1000 mAh battery that provides up to 8 hours of playtime. You'll also enjoy the RGB LED Lights that dance to your music, push-button controls, and a built-in microphone for 2-way calling. The perfect product to enjoy your favorite beverage and listen to music or podcasts or charge your devices on the go.