Working Voltage: 5V. Charging: Designed with type-c charging, this fan can be charged wherever you are and by using power banks, adapters or even computers. Purpose: Enjoy 360-degree wind supply with this hands-free neck fan, perfect for keeping cool during the warmer months. Material: Crafted from food-grade silicone material, this fan is incredibly comfortable and soft while also being non-slip and flexible. Colour Options: Available in white and blue. Dimensions: 19.7cm x 20cm x 6cm. Battery Capacity: 2000mAh. Fan: Get a bladeless personal neck fan. Bladeless Personal Neck Fan | Living Social | Living Social