Bluetooth 5.0 Audio Transmitter Receiver 3.5mm Jack AUX Wireless Audio Adapter LCD Display With Mic for TV Speaker Car Stereo Overview: BT-11 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, BT-11 can change the traditional car stereo systems and home audio systems 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. This 2 in 1 BT Transmitter & Receiver will give you much fun and convenience. Features: 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. You can upgrade non-BT devices into BT-enabled ones. Suitable for audio devices with 3.5mm audio interface. Compatible with smartphones and Tablet PC and other BT-enabled audio devices. LCD display screen clearly shows the connecting status. No driver needed, plug and play. RCA and 3.5mm audio cable are included. Built-in 300mAh battery ensures 6-8 hours of working time. PVC shell, strong and durable, small and exquisite, easy to carry. Specifications: Model Number: BT-11 BT Version: 5.0 Transmission Distance: 10m/33ft (open space) Battery: Built-in 300mAh rechargeable battery Working Time: 6-8 Hours Color: Black Package List: 1 * BT Audio Transmitter & Receiver 1 * 3.5mm Audio Cable 1 * RCA Cable 1 * USB Charging Cable 1 * User Manual