Double head, wider cleaning range, higher cleaning efficiency, optimized nozzle design, no blind spot, wireless and lightweight, continuousThe fully sealed filtration system effleaned regularly to prevent suction loss and blockage and maintain good suction. Note: Use after the filter is dry.Designed with circular toction removes dudense dust and fresh a particles of garbage, firmly locks dust and dirt, and the exhaust is fresh and pollution-free.Multiple acoustic materials absorb