Specification:*Product Dimension: 8.6*5.5 In*Material: Quality ABS*Battery Type: 4000 mAh lithium battery, 3.7V*Speed Mode: Sleep/Eco/Strong/Turbo*Working Time: 12 hours of battery lifeWhisper Quiet: As low as 25 dB*Oscillating Angle: Up and down 90° adjustable with 120 ° rotating fan head*Blushless DC Motor allow air throughout the room more effectivelyAttention:1. Please don't put your finger or any body parts or debris into the air inlet/outlet to avoid injury and damage to the product.2. When the battery is running low, the high-speed mode might not work, please recharge the battery.3. Before removing the protective cover, please make sure the power supply is disconnectedPackage Includes:1 x desktop fan with led1 x USB cable1 x user manualWarranty： We have 30 days money back policy and provide 1-year hassle-free replacement and lifetime warranty for our product if you encounter any problem please feel free to contact us