... format With color light stage use Product name: 2.0 USB active speakerProduct model: SA-180Specification:Output power: 75W*2Peak ... Speaker Equipment Factory makes all kinds of speakers, such as: Speaker, mini speaker, portable speaker, USB speaker, computer speaker, car speaker, ... mp3 mini speaker, SD card speaker, hi fi speaker, usb laptop speakers, SD speaker about 50000 pcs per month. SA-180 ...