Battery: Yes, 3.7V 2400mAh Woofer Size/Full-Range Size: 8" Feature:LED Flashing light, portable speaker with light Support Memory Card: Yes Output Power: 10W Frequency Range: 50Hz-20KHz Use: COMPUTER, HOME THEATRE, Karaoke Player, Mobile Phone, Portable Audio Player, Stage, Trolley speaker, Party, LED Lighting:RGB portable speaker power: 10W*2 Function: USB/TF/FM/BT Accessories: wireless mic, remote, USB charging cable*1