Soulion R90 Bluetooth Computer Speakers For Desktop, Usb Powered 3.5Mm Aux Pc Product Features ?AUX MODE?Just plug into the USB port for power, the 3.5mm jack for audio. Press the "M" button to switch to "Aux Mode" and adjust the volume +/- with rotate button on the computer speakers ?BLUETOOTH MODE? Built-in V5.3 Bluetooth technology, allows the speaker wirelessly connect cellphone, tablet, PC via Bluetooth, more convenient playback. Press the " M " button switch to ''Bluetooth Mode'' and then search " R90" on smartphone/tablet to connect ?4 DYNAMIC LIGHT MODES?With 4 modes colorful led lights effects, which can be switched in one click. You can also turn on/off the light by the light button on the sound bar. With these lights to enhance the atmosphere of listening to music watching movies, and playing games ?EASY TO USE?Rotary knob for volume +/-. Click ?M? button to switch between AUX and Bluetooth Mode. And long press 3 seconds for power on/off. One click light button to turn on/off or change light modes and long Press 3 seconds to wipe off reset bluetooth connection ?WIDE COMPATIBILITY?USB Powered Soundbar Speakers supports most of the devices with standard 3.5mm jack. Compatible with PC, Computer, Laptop, Smartphones Tablet or other devices (Note: Need USB Powered) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!