1.This extremely portable, lightweight wireless audio transmitter & receiver is an Perfect wireless audio solution for a wide range of situations and uses2.Transmitter mode: wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers3.Receiver mode: wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones4.Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included).5.Broad Compatibility: With the included 3.5mm cable this Receiver Transmitter adapter can widely be used on your car,computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.6.Operation Range: Up to 15m (without any blocking objects)Colour: Blackmaterial: plasticPackage Contents:1 x Bluetooth 5.0 Audio Transmitter/Receiver Adapter1 x 3.5mm Aux Cable1 x User ManualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.