2 in 1 Wireless Bluetooth Adapter Works with Speakers Bluetooth 5.1 Receiver Bluetooth Audio Adapter Music Streaming Stereo System <p>Upgraded Bluetooth 5.1: The latest Bluetooth 5.1 technology ensures a more stable and reliable connection with an extended wireless range of up to 50M. With the external antenna design, you could have an excellent listening experience with crystal clear and high-fidelity music.</p> <p>2-in-1 Bluetooth Audio Adapter: This Bluetooth aux adapter can be connected to a Bluetooth device and a TF card simultaneously. It can play music via Bluetooth connection or TF card. You can switch the BT/TF card mode by switching the off button.</p> <p>Easy to Use: After Bluetooth connection, simply insert one end of the audio cable or pin into the 3.5mm audio interface of the Bluetooth receiver, connect the other end to the output device, and then you can listen to music.</p> <p>Colorful Ambient Light & Dual Link: Designed with colorful ambient light, the ambient light flashes with the rhythm of the music, allowing you to enjoy a romantic musical atmosphere. In addition, it can connect to two mobile phones at the same time and freely switch audio sources.</p>