This new stainless steel tumbler from Vibe comes with a detachable bluetooth speaker for maximum entertainment while you enjoy your beverage. The double walled stainless steel tumbler holds 18oz and keeps drink cold or warm up to 8 hours. The base includes a detachable 3.7 watt bluetooth speaker witha built-in microphone, dancing RGB LED lights & push button controls. Comes with Micr-usb charging cable for up to 6 hours of music.