Product name: Voice-activated spectrum display Bluetooth speaker kit<br> Operating voltage: DC 5V (5.5mmDC interface)<br> Horn power: 3W*2<br> Shell size: 133x65x73mm<br> Functions: 3.7-5V DC power supply auto , 3W+3W stereo<br> Power amplifier, support Bluetooth, support power off memory, UP .<br> Product features: Upgrade on the basis of comfortable speakers, increase -controlled spectrum display function, the effect is more selective, listen to music at the same time can enjoy the cool lighting effect.<br> Colour:Photo Color<br> Material:abs<br> Package Contents:<br> 1 set of DIY Bluetooth speaker kit (delivered in parts)<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store