– This portable neck fan upgrade a dual motor bladeless fan that increases airflow speed by 75% to withstand the heat of summer, while its lightweight design ensures all day comfort. – Customize your cooling with 4-speed modes to balance airflow intensity and quiet performance. this neck fans that blow cold air adapts to personal preferences. Easily switch settings via one-touch button. – Powered by a high-capacity 5000mAh battery, this battery operated fan lasts 4-12 hours (varies by speed) – perfect for all-day trips or sports events. – Fully recharge in 3 hours with 10W USB-C fast charging! The digital display tracks real-time battery life (percentage & runtime) and charging progress, eliminating guesswork. – Product Dimension: 8.2 x 7 x 2.3 inches; 0.65 lbs.