Swii kickboard Swii is a smart powered kickboard with strong buoyancy, excellent power, and portability developed by Sublue for adults and children above 6 years old. Swii adopts a built-in dual propeller and self-developed dual propeller system that can provide 5kgf thrust. Taking into account ergonomics and scientific allocation of weight and buoyancy, Swii provides a stable and comfortable user experience. The detachable and rechargeable lithium battery provides safety, portability and ultra-long mile range. Swii kickboard Swii is a smart powered kickboard with strong buoyancy, excellent power, and portability developed by Sublue for adults and children above 6 years old. Swii adopts a built-in dual propeller and self-developed dual propeller system that can provide 5kgf thrust. Taking into account ergonomics and scientific allocation of weight and buoyancy, Swii provides a stable and comfortable user experience. The detachable and rechargeable lithium battery provides safety, portability and ultra-long mile range. Bring More Fun To The Whole Family Enables fun and creative play between family members of all ages. A fantastic training aid to assist beginning swimmers to overcome fear, enhance skills, and master balance in the water. Rated to hold up to 100kg (220.5lb) Easy To Hold, Easy To Swim With Rest your body on the kickboard, press and hold the buttons on both sides to start and release any button to stop. Switch between two speeds by using the power the buttons. Patented Technology, Premium Performance and Safety Innovative built-in dual motors, emergency motor stop with foreign objects. Industry-leading sealing and waterproofing technology. Features: 230W motor - provides up to 3.28 ft/sec. top speed.The rechargeable lithium-ion battery provides up to 45 minutes of run time.Charging stand - with an LED status display, alerts you when the battery is charged.Strong buoyancy - Makes it suitable for both adults and children.App compatible - Download the app, and monitor your battery life, range, your effort vs. the motor, plan routes and more. Features: 230W motor - provides up to 3.28 ft/sec. top speed.The rechargeable lithium-ion battery provides up to 45 minutes of run time.Charging stand - with an LED status display, alerts you when the battery is charged.Strong buoyancy - Makes it suitable for both adults and children.App compatible - Download the app, and monitor your battery life, range, your effort vs. the motor, plan routes and more.