Features: This module board combines both Muisic transmitting and receiving functions, providing a convenient solution for wireless Muisic needs. Enjoy stable connections and efficient power usage with the integrated Bluetooth-compatible technology in this module board. Designed for individuals who appreciate quality sound and seek a user friendly wireless Muisic solution. Perfect for various devices and environments that require wireless Muisic transmission, such as home entertainment systems and portable speakers. Enhances your Muisic experience with this versatile module board, offering seamless wireless Muisic connectivity. Specifications: Material: PCB Size: 2.35x1.5cm Package Includes: 1PC 2.4G Wireless Microphone Muisic Signal Receiving and Transmitting Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.