The Wanlida J12S speaker has a 12-inch dual U-segment microphone with a power of up to 9020W, which is suitable for outdoor Karaoke, dance practice and other activities. With mobile and convenient trolley design, it is easy to carry to various outdoor occasions. With high quality Bluetooth connectivity, you can play your favorite music at any time and enjoy high fidelity sound quality. Wanlida M+9047 Square Dance Bluetooth Speaker is 12-inch subwoofer singing high power portable speaker for outdoor activities. It has the advantages of no noise, loud sound, simple and convenient, fine workmanship, clear sound quality and so on.