There are three loudspeaker enclosures. Kisonli/OEM Brand Name: AUX, USB, Memory Card Support, Remote Control Yes TM-1000U Model Number Special Feature Product name: wireless, portable, and small 2.1 Function of a USB speaker LED light, BT, AUX, TF card, and Udis Energy source Style Fasion USB DC5V Power 5W+3W*2 Transportable G.W. 2.1KG product