Advanced Cooling Technology: This mini fan is equipped with 5 wind speeds, which can precisely control the air volume and bring the ultimate portable cooling experience Rechargeable and Eco-friendly: This fan is equipped with a battery and is rechargeable, allowing you to use it anytime, anywhere without frequent battery replacement Portable Design: This handheld fan is and compact, designed for use , perfect for outdoor activities, travel and office use Digital Display: The fan is equipped with a digital display to facilitate users to check the battery level Adjustable Settings: Customize your cooling experience with adjustable settings to comfort in environments Input power: 5.0V-2.0A MAX Battery life: 14.8WH (hours) Battery capacity: 4000mAh Motor speed: 40000R/MIN Wind speed: 14M/S Wind speed adjustment: 5 speed settings Function: with LED light/digital display of battery level (The product appearance and printed words depending on the batch, but this does not affect use) Material: plastic colour: Gray Package Contents: 1 x Fan 1 x Type-C Charging Cable 1 x Lanyard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.