A. The wood - grain fan has 13 fan blades with a silent design. It offers strong power to ensure a large air volume. It can help calm you down during outdoor activities and is a good choice for summer. B. This fan can be charged via the USB port or powered directly by batteries. It's necessary to remove the insulating sheet in the battery compartment. It can be charged using a computer, a power bank, etc. C. It has 3 speed levels (low, medium, and high) for adjustment. You can press the power button repeatedly to select an appropriate wind speed. The brushless motor makes the fan more durable, saves energy, and is environmentally friendly. D. The angle of the fan can be adjusted. It's convenient to carry and can accompany you at any time and place. Specifications: - Charging voltage: 5V - Working time: 3 hours - Material: ABS - Dimensions: 13.9 * 2 * 22 cm - Weight: 400 grams - Styles: White maple, mahogany, cherry wood - Remote control function: None - Timing function: No timing - Power (watts): 5 watts - Voltage (volts): 5 volts - Air supply mode: Rotating blade type - Maximum timing limit: No timing - Hanging length: No hanging device - Reverse function: None - Water shortage power - off protection: None - Wind type: Standard wind - Maximum power: - Installation method: Desktop type - Material: Plastic - Control method: Other - Type: Other - Accessories included: 1 fan