The Henden VSD Pump with Bluetooth is an energy efficient pool pump with a unique water-cooled motor to capture noise and vibrations, so it operates super quietly. When connected to Bluetooth and this easy to use app, the pool owner or operator has total control over the speed which the pump needs to operate – ensuring it’s running when you need it to be! Features: • Create custom schedules per day or per week • Adjust pump speed at any time