Air Cooler Hanging Neck Fan Foldable Wearable Head Fan LED Display USB Rechargeable Bladeless 3 Gears Electric for Outdoor Sport    Feature:  1. Endurance: Endurance, three-gear adjustable wind speed, super quiet, light and compact, equipped with power LED display, farewell to the trouble of power failure.  2. Newly-upgraded refrigeration and heating principle: Newly-upgraded refrigeration and heating principle, intelligent chip control temperature, with aviation aluminum-grade heat conduction chip, heating and cooling performance is more powerful.  3. Combined with ergonomic design: the fitting part of this product is designed with ergonomic design, which is suitable for all neck types and is not easy to loosen. It will not feel oppressive if worn for a long time.  4. Design: The temperature is transferred from the body to the brain through the neck. The newly developed instrument can eliminate the neck heat and achieve the cooling effect.  5. Smart chip replaces traditional motor: Smart chip replaces traditional motor with different design principles to avoid the whirring noise caused by the internal motor, fan blade and air duct of the traditional neck fan.         Specification:  Origin: Mainland China  Product name: folding neck fan  Material: ABS+electronic components  Size: 23x15x4.5cm/9.06x5.91x1.77in  Package size: 22.4x16.8x4.6cm/8.82x6.61x1.81in  Packaging: boxed  Output voltage: 5v  Insertion current: 1A  Rated power: 2-5w  Charging: usb  Battery capacity: 3000 mA  Number of gears: three-gear adjustment  Use scenario: commuting/home/office/housework/sports/camping     Note:  Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you  Please allow 1-2cm measuring deviation due to manual measurement.                                                             1 x Folding Neck Fan