Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering WiFi Bluetooth Wall Amplifier with Zigbee, Support Tuya for Music & Android7.1, T New 8-Inch Bt Party Karaoke Portable Speaker with 2 Handheld Mics, 2 Zone 2 Channel Bluetooth Amplifier 2X25W, Multi-Room Audio System with USB/TF Card, for Home and Commercial Use and so on.