Specifications:Condition: 100% Brand New and High QualityColor: Green, White, Pink, Black (Optional)Material: ABS, PP, Circuit BoardSize: 60x66x70mm/2.36x2.60x2.76"Input Voltage/Current: DC5V/1000mAhInput Power: 3.5WBattery Voltage: 3.7VBattery Capacity: 1000mAhCharging Time: About 1.5 HoursWorking Time: About 1.5-5.5 HoursWeight: 80gExecutive Standard: GB4706.1-2005, GB4706.27-20083 Wind Speeds: Soft, Cool, PowerfulIndicateor: Red Light(Charging), Light Off(Fully Charged)Features:1. Adjustable Wind Speed: Features 3 wind modes, switch freely by the power button.2. USB Powered: With a rechargeable 1000mAh battery, you can use the USB charging cable link to computers, power bank, laptops, and other devices to enjoy cool wind no matter where you go.3. Hands-Free Design: Just hang the fan around your neck and enjoy the cool breeze (adjustable safety lanyard included). It won't swing back and forth to hurt your neck while walking.4. 45 Degree Rotation: The necklace fan can be adjusted 45 degrees up and down, according to your height or position.5. Unique Design: A mini fan can hang on the neck, clip on the waist, stand on the desk.6. Compact and Portable: Easy to put in a bag and carry with you. Use it whenever and wherever. An excellent choice for outdoors and travel.Package Included:1 x Mini Fan 1 x USB Cable1 x Lanyard1 x Manual1 x Package Box