Kbinter is a time-honored brand devoted to home decoration improvement. We have been dedicated to creating practical and beautiful home supplies for over 12 years. Redefine your home life with our quality products. Information: Using Time: 2-3H Charging Time: 3H Instruction: Fully charge the product for the first time use. Easy Control: Press the main button to adjust the wind speed. Warranty: 24 hour customer service and 180-days warranty for quality issue is ready for your convenience. Please contact with our support team if you have any problems during using our product.