New and high quality! Features: This extremely portable, lightweight wireless audio transmitter and receiver is an ideal wireless audio solution for a wide range of situations and applications Transmitter Mode: Wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers Receiver Mode: Wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones It boasts powerful features for wireless audio streaming. Toss this transmitter and receiver into your backpack or laptop bag and take it on the go without the slightest effort Wide Compatibility: With the included 3.5mm cable, this receiver transmitter adapter can be widely used on your computer, laptop, home stereo, headphones, smartphone, mp3 player, CD player, etc. Mode Switching: If the device has been in one mode for a long time, it needs to be reactivated twice to switch to another mode. If the device has just switched modes, you want to switch to another mode immediately, you only need to recharge once. Pairing Method RX Mode: Pairing Name: Find in the Bluetooth settings of your phone to pair. The blue light flashes during the pairing process, and the blue light stops flashing after the pairing is successful. TX Mode: TX mode automatically searches for other Bluetooth receiving devices (such as Bluetooth headsets, Bluetooth speakers, Bluetooth receivers, etc.), the red light flashes during pairing, and the red light stops flashing after the connection is successful. Click once to get the receiver function; press twice in succession, it is the transmitter function. Material: Plastic Color: As shown Package includes: 1 PC Note: As different computers display different colors, thank you for your understanding, the actual product color may vary slightly from the image.