💡【5 DYNAMIC LIGHT MODES】WIth 5 modes colorful led lights effects, which can be switched in one click. You can also turn on/off the light by the control button on the sound bar. With these lights to enhance the atmosphere of listening to music watching movies, and playing games | 💻【USB PLUG & PLAY】Just plug in the USB port for power and sound. Press the " M " button to PC mode to start and control the volume +/- with rotate button on the computer speakers | 📶【BLUETOOTH MODE】 Built-in V5.3 Bluetooth technology, allows the speaker connect cellphone, tablet, PC via Bluetooth, more convenient playback. Press the " M " button switch to bluetooth mode and then search " R60" on smartphone/tablet to connect | 🔊【STEREO & CLEAR SOUND】Frequency range of 20 Hz - 20 KHz. The SOULION computer speakers can provide clear & loud sound, bringing you Immersive sound effect and enhance your listening experience when you enjoying indoor movies, videos, music and games | ✅【EASY TO USE】2 independent buttons and a rotary knob for easy operation of various functions. Rotary knob for power on/off and volume +/-. One click light button to turn on/off or change light modes. Click “M” button to change PC/Bluetooth/AUX Mode (NOTE:3.5mm AUX Cable Not Included). Long press for 3s to clear the bluetooth memory | 🎶【WIDE COMPATIBILITY】USB powered speakers with the latest compatible technology are compatible with PC, Computer, Laptop, Smartphones & Tablet. Not only can it be played using only a single USB, also equipped with a Type-C (USB C to USB) Adapter which makes the speaker work well with Type-C port only devices like Macbook Air Pro, smartphones or other devices. Whatsmore, It is also designed with a 3.5mm audio headphone jack. (NOTE:3.5mm AUX Cable Not Included)