Comprehensive Connectivity: This advanced 4-in-1 Bluetooth adapter seamlessly transforms your audio experiences with dual functionalities as both a transmitter and a receiver. It is equipped with the latest Bluetooth 5.0 technology for stable and rapid transmission. Universal Compatibility: Featuring a 3.5mm audio jack, this adapter is compatible with a wide range of devices including , car audio systems, headphones, and speakers. Enjoy the freedom of wireless audio streaming wherever you are. Enhanced Features: With built-in FM radio and TF card slot, this adapter does not just transmit audio but also lets you enjoy your favorite radio stations and play files directly from TF cards. Portable Design: Designed for easy use and convenience, its compact size allows you to carry it effortlessly, ensuring you can enjoy wireless audio anytime and anywhere. Color: White Material: ABS Package Contents: 1 x Bluetooth 5.0 receiver transmitter kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.