20 Oz Sublimation Skinny Tumbler with detachable speaker. 

The speaker lasts up to 15 hours.

Flashes when in use. Loud and great quality sound

It comes with a cord for charging, a lid, and a plastic straw. 

The speaker unscrews for easy washing.

Kitchen-grade stainless steel, rust-resistant

Vacuum insulated: 20 oz. tumblers are double-walled and vacuum-insulated stainless steel, which keeps your favorite beverage hot or cold for hours

Keeps drinks cold for 24 hours and hot for 12 hours