1、HW-407 Bluetooth wireless audio module, widely used in a variety of bluetooth audio reception, a variety of speakers DIY modification, convenient and fast. 2、Support bluetooth 4.2 transmission, dual channel stereo lossless playback, after the module is connected to bluetooth, it can quickly achieve bluetooth wireless transmission. 3、Precise cuts and interfaces ensure perfect fit, suitable for mounting positions and easy to install. 4、The product uses high quality materials to effectively avoid corrosion and wear and durable use. 5、Adopting professional chipset, to ensure superior performance in the system. 6、This wireless audio module is easy to operate, anti-aging, and extend the service life. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.