1、Lightweight wireless audio transmitter and receiver are ideal wireless audio solutions for various situations and uses. 2、Transmitter mode, wireless transmission of audio from non‑Bluetooth TV, home stereo system or CD player to Bluetooth headset or speaker. 3、Receiver mode, wireless transmission of audio from Bluetooth‑enabled mobile phones, tablets or computers to wired stereo, speakers or headphones. 4、Simply press the switch to switch between transmitter and receiver modes. Use advanced Bluetooth technology and 3.5 mm audio cable (included) to easily connect. 5、Has a powerful wireless audio streaming function. Put this transmitter and receiver in your backpack or laptop bag and take it with you without any effort. 6、Equipped with 3.5mm cable and 3.5mm to 2RCA cable, this receiver transmitter adapter can be widely used in your computer, laptop, home stereo system, earphone, smart phone, Mp3 player, CD player, etc.