DescriptionYou don't need to hold the ordinary portable fan with hands. Thismini watch fan can generate strong natural wind to cool you quickly andkeep you cool forever. This little guy will be your best companion inthis hot summer.Features- Material: Plastic - Noise : Less than 40dB - Rated voltage: 3.7V - Rated power: 1.5-3W- Rated frequency: 27Hz - Built-in battery capacity: 1000mA - 1200mA - Note: It contains USB cable. - Easy to operate, you can adjust the wind power according to your actual needs. - Gently embellish your life and bring you more comfort this summer. It is very useful. - You can buy this convenient and practical wristband fan at an affordable price.- Preferred and high-class plastic materials, good material, safe, durable and practical. - Fine workmanship, beautiful and practical, safe and durable, it will be your good choice for wristband fan.