Feature: 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. Specification: Item Type: Module Model: HW-407 Bluetooth Connection Distance: Approx. 20M / 66ft Bluetooth Version: 4.2 Connection Working Status: 20MA Package List: Module x 1 Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.