ldsolar Best Internal learning——Bluetooth module for ldsolar controller FactoryPrice-ldsolar,Trusted and Dependable-We are trusted with over 120 countries by companies, organizations and government and our customer satisfaction rate is at 99%. We build lasting relationships with customers by making what’s important to them, important to us.CM-B01 is a Bluetooth communication module for our company’s solar charge controller to extend Bluetooth communication function. Cooperating with Mobile phone APP, It can carry out wireless monitoring, parameter settings and data viewing of solar system.