Long Running - The neck fan has 4000mAh large Capacity Battery and lasts 3-12 hours working duration (depending on different speeds). Fast Charging 3-4 hours, easily meeting the needs of a day LCD Display - Neck Fan foldable combine with LCD display, you can easily to see the power and speeds, fashion style makes you look cool 360 Degree Surround Airflow - The neck fan has 360 degree Airflow, won't miss anyplace in your neck, with two speed adjustment, you can adjust the suitable fan speed by pressing the power button repeatedly Foldable And Ergonomic Design - Foldable neck fan is super easy put into your bag and pockets. The ergonomic design make the person fan stay on your neck stably and fit for all neck sizes. Low noise and comfort - Excellent upgraded technology reduces fan noise. Made of TPU material is more comfortable and skin-friendly. Neck fan give you a better experience in a quiet and comfortable environment