【Pulsing & Led Flame Lights】2.0 desktop speakers have pulse mode and flame light mode, when you play music/play games/watch movies, the lights will jump with the rhythm, just like two flames, vivid and interesting, allowing you to enjoy your cozy moments | 【Convenient Handy Control】Pc speakers for desktop is equipped with a large round control button. All operations are on one, very convenient. Press and hold the M key to switch AUX/Bluetooth mode, and press and hold the light key to switch the LED light mode and turn off the light | 【3.5MM Aux Mode】Plug into the USB port for power, press the "M" key to select "Aux Mode", the 3.5mm jack for sound. The pc speakers for computer are widely compatible with various devices such as PCs, laptops, tablets, smartphones and more | 【Bluetooth Mode】Plug in the USB port for power, press the "M" button to select "Bluetooth Mode", and then there will be a "beep" sound. Search for "C30" on smartphone and connect, press and hold the light button for three seconds to wipe off & reset bluetooth connection | 【Rich & Clear Sound】Gaming speakers can be placed on both sides of the computer, transmitting rich and clear sound evenly to the left and right sides, providing you with a more comfortable listening experience and making you feel as if you are in the game