Music Cup: The Stainless Steel Speaker Cup Has A Detachable Speaker At The Bottom, The Led Light Will Flash With The Rhythm Of The Music, You Can Enjoy Music And Relax While Drinking Water. | | Detachable Speaker: When You Use This Speaker Cup, Unscrew The Speaker To Separate It From The Cup, The Speaker Cannot Be Washed And Will Be Damaged. Do Not Microwave. | | Speaker Bottle Material: Insulated Music Tumbler Is Made Of Stainless Steel, Which Is . With A Special Tapered Design, It Can Be Installed In A Car Cup Holder. | | Easy To Use: Equipped With An English User Manual, Speaker Tumbler Is Easy For You To Operate, The Charging Time Is About 120 Minutes. | | Vacuum Bottle: The Music Cup Adopts A Vacuum Double Wall Design, Which Has A Good Thermal Insulation Effect. Keep Hot Drinks Warm For Up To 6 Hours And Cold Drinks For Up To 12 Hours With This Insulated Coffee Cup. | |