dolond Portable Bladeless Neck Fan dolond Neck Fan, Portable Neck Fan, 4000mAh Battery Operated Bladeless Personal Fan with 3 Speeds Adjustable The upgraded version of the leafless neck fan adopts the upgraded air outlet design, 360° around the air outlet; Unique double duct design, 3 seconds quick cooling, is a summer must-have single item! Quiet Working & Hair-Safe The noise is between 30-60dB, depending on gear selection, quiet and safe to use, without worrying about your hair getting caught or dust and sweat getting into the neck fan. 3 Speed Settings Adjustable 3 speed wind speed, according to the outdoor conditions to choose their own suitable gear; First gear - the breeze; The second gear - cooling wind; Third gear - strong wind. Press the speed key again to turn off the neck fan directly. 4000mAh Battery & Upgraded Brushless Motor The upgraded brushless motor greatly reduces noise, extends service time(up to 22 hours), and increases wind speed by 70% Hands-free & Ergonomic Design Neck fan is designed as a headset to free your hands anytime and anywhere; Ergonomic lightweight breathable design to avoid sticking