Hanging Neck Fan Portable Hands-Free USB Rechargeable 3-Speed Wearable Silent Practical FanFriendly Tips:1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart carefully before you buy the item. (1 inch = 2.54 cm)3.Please note that slight color difference should be acceptable due to the light. Thanks.Specifications: Material: Plastic Switch Type: Button Battery: 1200 mAh lithium battery Input Voltage: 5 V Charging Time: 2-4 Hours Speed Mode: Three Gears Adjustable Color: White, Pink, Blue, Black Red, White Red Size: 3119 cm/12.27.48 inchesPackage Contents: 1 X Hanging Neck Fan1 X USB cable 1 X ManualPromise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.