Features:This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses.Transmitter mode: Wirelessly transfer audio from your non-BT TV, home stereo system, or CD player to your BT headphones or speakers.Receiver mode: Wirelessly transfer audio from your BT-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones.With the included 3.5mm cable and 3.5mm to 2RCA cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.Switch between transmitter and receiver modes with the simple push of a switch. Effortlessly connect using advanced BT technology and 3.5mm audio cable (included).Specifications:Model: KN321Technologies: BT5.0, A2DP, AVRCP (receiver mode only)Operation Range: Up to 10m / 33ft (without any blocking objects)Features:This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses.Transmitter mode: Wirelessly transfer audio from your non-BT TV, home stereo system, or CD player to your BT headphones or speakers.Receiver mode: Wirelessly transfer audio from your BT-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones.With the included 3.5mm cable and 3.5mm to 2RCA cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.Switch between transmitter and receiver modes with the simple push of a switch. Effortlessly connect using advanced BT technology and 3.5mm audio cable (included).