Speaker, Amplifier manufacturer / supplier in China, offering Dual 12/15 Inch Outdoor Wireless Speaker Big Power Karaoke Bluetooth Trolley Speaker with Wireless Microphone, Dual 12 Inch Fashion Stereo Portable Professional Wireless Bluetooth Big Speaker Outdoor DJ Party Speaker, OEM Big Power Dual 12 Inch Bluetooth Wireless Speaker Sound Case Outdoor Battery Loudspeakers and so on.