Mute thick spring with multi-turn design for stability and silence

not easy to lose

and extended mileage

ensuring energy savings and environmental protection

made of 100% polyester

COOLBABY Refrigeration Neck Fan，Student Outdoor Portable Fan,Bladeless Turbine Air Conditioning Fan Folding chair Mute thick spring with multi-turnFeatures: The fan will never twist your hair. You are safer and freer. It is perfect for running, sitting, camping, hiking, climbing, traveling, offices, gyms, indoor exercises, or outdoor activities. Noise below 36 dB, upgrade top with silencing motor, third gear also mute, library classrooms can also be used. 3000 mAh battery capacity, high configuration batteries. Battery use time: Fan 2. 5 hours, Fan + refrigeration for 1 hour The material is ABS,