Multi-Point Bluetooth® Connectivity Lets You Simultaneously Pair Your Smartphone And Your Tablet—and Stream Stereo Audio From Either One. Simple Set Up Connecting Your Smartphone And Tablet Is Easy. Just Press The Convenient Pairing Button And You’re Ready To Listen. Works With Most Speakers An Provides You With The Flexibility To Use Pc Speakers, Home Stereo Systems, And A/V Receivers. Just Attach The Bluetooth Audio Adapter To Your Powered Speakers Using Standard Analog Rca Or 3.5 Mm Jacks. The Bluetooth Speaker Adapter Is Tuned At The State-Of-The-Art Logitech® Labs To Deliver High-Quality Acoustics. Stream And Control Your Music With A Reliable Line-Of-Sight Connection From Up To 15 Meters (50 Feet) Away. Connector/Port/Interface: 3.5 Mm Jack. Bluetooth®. Depth: 4 3/8". Height: 6". Width: 2"..