Bestisan Bookshelf Speakers, 60 Watt Powered Studio Monitor Speaker With, Gray Product Details Premium sound quality: 60W continuous undistorted power, 3-inch full-range unit and 1.25 inch silk dome tweeter unit produce clear treble at higher frequencies and powerful bass at lower frequencies. Multiple wireless and wired connections: supports advanced Bluetooth 5.0 wireless connection, which you can easily connect with tablets, PC and other Bluetooth enabled devices to stream music; wired connection including optical, Line In input (all cables included). 3 different equalizer modes: fine tune your sound bar with 3 distinct equalizer modes (movie mode, music mode, dialogue mode) via the remote control to match your favorite sound. Control your bookshelf speaker Remotely: handle your bookshelf speaker from the comfort of your couch or directly on the device; combine with bass treble adjustable function to match your favorite sound. 100% Satisfaction Service: lifetime technical support, please feel free to contact us via Amazon message or refer to the user manual to find our service mail if any problems, We absolutely give you a satisfied solution,Please believe that we treat our all customers with sincerity,and give us a chance to fix the issue. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.