Stainless Steel Tumbler Cup with Speaker | SUPSAS18

Each stainless steel speaker tumbler cup has a detachable wireless speaker in the base,the led light will flash with the rhythm of the music,you can enjoy music and relax while drinking water with this wireless music tumbler.The insulated music tumblers made of stainless steel ,which is durable and will not rust.Apply a special design of tapered shape, it can be installed in a car cup holder.Music tumbler with vacuum double wall design,good heat preservation.Hot drinks can be kept warm for up to 6 hours and cold drinks can be refrigerated for up to 12 hours by using this insulated coffee travel mug.