The remote control can be controlled by remote control to realize the volume control of the switch.Interface 3.7-5V DC supply to automatically play music, 33W+3W stereo amplifier, support Bluetooth, support -off memory, U disk to play music.The outer box is made of 6 pieces of 3mm high-transparency plastic spliced together. Exquisite and beautiful, the brown protective film needs to be removed before splicing.The delivery is a complete set of spare parts, which needs to be welded and assembled, with a complete set of installation instructions.Support bluetooth, support -off memory, U disk play music, can be powered by bank.Colour: as shownMaterial: plasticPackage Contents:1 set * Bluetooth speaker kitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.