INPUTS RCA/Aux, Optical/Coaxial, Bluetooth for convenience. TREBLE/BASS CONTROL, SUB-LINE OUT - Adjust bass, treble, volume and toggle inputs on rear panel. WIRELESS REMOTE Handy compact remote control for input selection, volume adjustment and track control for Bluetooth devices. The item "Edifier R1850DB Active 2.0 Bluetooth Bookshelf Speakers with Wireless Remote" is in sale since Wednesday, February 10, 2021. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Home Speakers & Subwoofers".The seller is "davisgifts" and is located in Broomfield, Colorado. This item can be shipped to United States.