DescriptionThis is a fan which is made of plastic material, durable and safe. Ideal for sports, outdoor, travel, etc. With exquisite detail makes it practical and fashionable. When you work, watch TV, you'll find that it helps you a lot. With this mini keychain fan, you can feel very cool in the summer.Features- Material: Plastic - Size: 9.00X7.00X5.00cm/ 3.54X2.75X1.97inch- Battery: 250mAh - Charging Time: 1-2 Hours - Portable size design, also fits your keychain with its tiny size and lightweight. - The cooling fan can be charged by USB cable, computer, power bank. - Portable, lightweight, very convenient to carry for outdoor activities in the summer. - Also, it can be a good gift choice for your friends or classmates. - Suitable for home, office, bedroom or outdoor use. Small fan that can be used for office study, home travel.