T11M is a 2 in 1 BT Transmitter & Receiver -As a BT Audio Transmitter, it can be connected to the audio devices without BT function via the included 3.5mm audio plug, changing these audio devices into BT-enabled audio devices, and making it work with BT-enabled Headset and Speaker -As a BT Audio Receiver, T11M can change the traditional stereo systems and home audio system into BT-enabled ones, and easy to pair with BT-enabled smartphones, laptops, tablets, etc -With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables -The USB plug is for getting power. Plug and play, no need installation -This 2 in 1 BT Transmitter & Receiver will give you much fun and convenience -Fast Connection & Stable Signal: With BT 5.0, it provides more stable and faster audio signal transmission, allowing you to enjoy better music and clearer sound. Two-in-one, one-button switch between receiver and transmitter mode, easy to use -Receiver Mode: Change the wired headphone, the traditional Stereo or Home Audio System into BT-enabled ones -After paired, play music from your BT-enabled Smart Phones, Laptop, Tablet and more -Transmitter Mode: T11M can be connected to most audio devices without BT function, changing them into BT-enabled ones, and making it work with BT-enabled Headset and Speaker -Strong Compatibility: Compatible with Android & iOS smartphones and Tablet PC, almost all BT-enabled audio devices, and stereo systems with 3.5mm ports -Real-time low-latency and high-quality audio transmission -USB Plug and Play: With an LCD screen, it can display 8 BT devices nearby at the same time -You are free to connect to either of them. USB powered, easy installation, no driver needed, plug and play -Barcode: 6923022740016 Package Weight: 37g Package Dimensions: 6.7cm x 1.7cm x 10cm Package Includes: 1 x Bluetooth Adapter 1 x 3.5mm Audio Cable 1 x Manual