Topsharp (Since 2007) is the inventor of new energy hand-held fan (Obtained US invention patent in 2015). In the field, we have created many firsts, the first handheld folding fan, powerbank fan, mist fan, neck fan, pocket fan etc. Topsharp's fans are known for its powerful cooling, low noise, durability and safety.People have to drink water and cool down when they are exercising, climbing, cycling, baby stroller, outdoor patrolling, indoor office, etc. How to make drink and cool more fun and convenient, this is Topsharps new mission.But it is difficult to arrange circuit boards , Li-ion Batteries, straws and fan inside the lid,and the most difficult is to make the fan waterproof in such a small space .Its really a precision industry far beyond making a mini fan.After repeated design. Topsharp finally created the fan lid with performance exceeds expectations. and obtained global invention patents including the USA, Europe,Japan etc. We named it HANDFAN BOTTLE which will redefine a new category of water bottles.