Key Attributes Cabinet Material: Plastic Use: Home Theatre, Portable Audio Player, Mobile Phone, Karaoke Player, Computer, Stage, Outdoor, Party Power Source: USB Battery: No Support App: No Remote Control: No Display Screen: No Voice Control: No Built‑in Microphone: No Support Memory Card: Yes (TF Card) Place of Origin: Guangdong, China Product Details Brand Name: Kisonli / OEM Model Number: U‑3000 Set Type: Speaker Number of Loudspeaker Enclosures: 3 Function: AUX / TF Card / U‑Disk / Remote Power Supply: USB DC 5V Output Power: 5W × 1 + 3W × 2 Usage: MP3 / MP4 / Computer / Laptop / Mobile Phone / Tablet PC Material: Plastic Warranty: One Year