Removable Speaker Design: the stainless steel tumbler is equipped with a detachable sound system compatible with Bluetooth on the base, and the LED light flicker with the rhythm of the music, so you can enjoy the pleasure and enjoyment that music brings you while drinking water，each cup comes with an instruction manual
Double Wall Insulation: our mug with speaker is designed with double layer vacuum insulation, which can keep your drinks hot up to 12 hours and cold up to 24 hours, allowing you to get the desired taste, so you can enjoy your favorite drink with this insulated water tumbler all year round
Large in Capacity: our tumbler is measured about 8 x 2.75 inches in height and width, and the capacity is about 20 oz, large enough for you to hold hot and cold drinks such as wine, water, juice and coffee; Note that when cleaning the cup, unscrew the speaker to separate it from the cup to avoid breaking it; Sound can be USB charged
Includes, straw, lid and charger.
Easy to open and close.
Stainless steel double wall insulated tumblers.
These do NOT contain epoxy! They are a sublimation ink.
Colors may vary slightly from your screen.
Due to the sublimation process, not all cups will be exactly the same. Slight imperfections may be present and are not reason for rejects and returns