Features:Precise incisions and interfaces ensure perfect suitability for mounting position. Easy installation.Made of high quality materials, corrosion-resistant, wear-resistant, durable and long life time.Professional chip sets provide excellent performance in the system.Low power consumption, support Bluetooth 4.2 transmission, dual channel stereo lossless playback. After module connect with Bluetooth, it can quickly realize Bluetooth wireless transmission, very convenient to use.The Bluetooth connection distance can be up to 20 meters in open space. It is widely used in all kinds of Bluetooth audio receiving and all kinds of DIY audio modification, etc.Specification:Material: ABSColor: As picture shownWorking Voltage: 5V/ 3.7-4.2VConnection Working Status: 20mATransmission Distance: 20 meters (in open space or low interference conditions)Working Temperature: -40-85Size: Approx. 2.3x1.7x0.2 cm/ 0.91x0.67x0.08 inchPacking List:1 x Module.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.