The heart of every SipaBoard is a jet propulsion engine with an integrated compressor – the SipaDrive. This pumps up your SUP for you in less than 5 minutes, and then makes it smoother and more stable when you get going! The SipaDrive is powered by two 90 Wh batteries in a watertight case, offering up to 3.5 hours of operation and pushing the All-rounder to speeds up to 5km/h or 4.35mph. Product Includes Motor System Wireless paddle-mount remote with Bluetooth 4.0 connectivityBattery PackCharging Cables The SipaDrive features a slick propulsion engine and air compressor housed within a compact plastic housing for seamless integration into your SipaBoards paddleboard.*Its design and board position virtually eliminate drag when the motor is off and you want to paddle on your own strength. The SipaDrive is emission-free and barely audible, so you can take it even in protected waters.It also inflates your paddleboard in less than 5 minutes, so you can focus on paddling.*The SipaDrive can only be used with specially designed SipaBoards’ inflatable paddleboards. Other features include:☑ Wireless paddle-mount remote with Bluetooth 4.0 connectivity☑ Battery pack☑ Charging cables☑ 3 speed settings: 3 hours at cruising speed of 2 knots or 1 hour at max speed 3.5 knots☑ Fully rechargeable in 3 hours☑ Free Mobile App