OVERVIEW: The 12-ounce capacity insulated speaker mug will keep all your drinks at the optimal temperature for up to 12 hours. Also, the mug comes with a portable Bluetooth® speaker with 12 hours of playback time, so you can jam out wherever your adventures take you. The unique cap is a press-to-close which, along with the quick-slide mouthpiece, allows easy access and is leak-proof while closed. KEY FEATURES: 12-oz insulated mug Portable Bluetooth speaker 12 hours playback time Leak-proof lid