Features:The USB desk fan works quietly while delivering high airflow.Low/medium/high wind speed adjustable.360 degree tilt rotation for free wind angle adjustment.Built-in 2000mAh battery, providing up to 8 hours after being fully charged.Compact size and portable, perfect for home, car, office, or travel.Specification:Color: Blue, White, Black, Pink (Optional)Material: PlasticProduct size: 139x135x59mmBattery capacity: 3.7V 2000mAhCharging interface: Micro USBPower: 4WWorking noise: 25dBWorking time: up to 8 hoursNote:Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.Package Includes:1 * desk fan1 * charging cable