Features 1、Speaker Water Bottle Material: Our insulated music cup is made of stainless steel, which is durable, strong and wear resistant, and will not rust. 2、Music Tumblers: Each stainless steel speaker tumblers has a detachable wireless speaker at the bottom, and the LED light will flash with the rhythm of the music, you can enjoy music and relax while drinking water. 3、Vacuum Thermal Cup: 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 travel mug. 4、Conical Design: With a special conical design, it can be installed in the car cup holder, and it is convenient and portable to use when going out. 5、Cleaning Method: When you clean the cup, unscrew the speaker to separate it from the cup, the speaker cannot be washed with water and will be damaged. Do not microwave. Specifications Item Type: Sublimation Tumblers Material: Inner 304 Stainless Steel, Outer 201 Stainless Steel, PP Gross Weight: 495g / 17.5oz Product Size: Approx.7.5 x 23cm / 3.0 x 9.1in Capacity: 20 ouces/600ml Power Input Port: Micro USB Output Power: 3W Battery Type: Lithium battery Battery Model: 18650 Battery Capacity: 600mah Charging Time: 120 minutes Running Time: 120 minutes Waterproof Grade: IP5 Bluetooth Effective Range: within 15 meters Package List 1 x USB Cable 1 x English Manual 1 x Bluetooth Speaker 1 x Cup