Wireless Air Conditioning Fan Specifications: Voltage: 5V / 1.8A Wind Speed: 3 adjustable levels Rotation: Manually adjustable fan angle Battery Capacity: 4000mAh (high-density) Dimensions: 205 × 189 × 128 mm Key Features & Highlights 💨 Dual-Core Inverter with German Turbo Airflow Adopts advanced German turbo airflow technology to scientifically cut and channel air. The wind is soft, comfortable, and prevents headaches even after long hours of use. 🔇 Active Noise Cancellation Equipped with top-grade noise reduction technology to create a quiet and comfortable sleeping environment for you and your family. 🔋 Long-Lasting 4000mAh Battery The high-density 4000mAh battery ensures all-day usage—keeping your fan powered from morning to night. 🌀 Double Helix Air Duct Design The directional air duct concentrates airflow into a powerful air beam, sending wind further and promoting better indoor air circulation. Works perfectly with your air conditioner to accelerate cooling. 🌬️ Innovative Circulation Wind Mode The closed air duct design enhances airflow accumulation, while the large-angle vortex fan blades produce a concentrated, high-speed wind beam—quickly refreshing your space. This compact yet powerful wireless fan combines quiet comfort, long-lasting power, and innovative airflow technology—perfect for bedrooms, offices, or any space needing a cool, refreshing breeze.