The Miller Lite Tubler Speaker is a Double Insulated Stainless Steal Tumbler with an Unscrewable Bluetooth Speaker. The Tumbler Can Keep Your Drinks Hot or Cold for up to 12 Hours, Never worry about your Beer getting warm again. While Enjoying your Miller Lite beer you will be able to enjoy up to 12 hours of interruppted entertainment using the Built-in Bluetooth Speaker. The Speaker is Removeable to keep the Tumbler dishwasher safe, simply Unscrew the Speaker before wash and then rescrew in the speaker and enjoy again. The Speaker is Waterproof and has Led Lights. Bring the Party with you everywhere while keeping your Beer Ice Cold!