Product name: Klimaanlagenventilator Why you need this fan - Provides uninterrupted cooling where you need it most by running on its built-in 2000 mAh rechargeable battery for up to 12 hours. Ideal for power outages, travel, or any spot without a nearby power outlet. - Adjustable airflow with three speed settings so you can tailor cooling to your comfort level without wasting battery life. - Quiet operation that cools without creating distracting noise, suitable for work, study, or sleep. Key benefits and problem solving - Portable backup cooling: Keeps you comfortable during short power interruptions or when you are away from fixed power sources. - Flexible placement: Use it on a desk or mount it on a wall to save surface space and direct airflow where it is needed. - Compact footprint: Small size and lightweight design make it easy to move between rooms, pack for trips, or position on a narrow bedside table. Main features - Rechargeable battery: 2000 mAh capacity for extended cordless operation. - Long runtime: Up to 12 hours of use on a single charge, depending on speed setting. - Three speed levels: Low, medium, and high to match different cooling needs. - Quiet performance: Designed for low noise to minimize disruption. - Versatile installation: Suitable for desktop use or wall mounting to adapt to different spaces. - Compact dimensions: 31.2 x 8.9 x 8.4 cm (12.28 x 3.5 x 3.3 inches), making it suitable for small desks, nightstands, and limited workspaces. - Power requirements: Rated voltage 5 V and rated current 2.1 A for charging. Practical use scenarios - Home office: Place on a small desk to stay comfortable during long working sessions without taking up much space. - Bedroom: Use as a quiet bedside fan for undisturbed sleep with adjustable speed to match your preference. - Emergency and travel: Keep in a bag for short trips, camping, or during power outages to maintain airflow when fixed cooling is unavailable. Package contents - Fan, charging cable, and user manual are provided for immediate use and simple setup. This compact, rechargeable fan combines long battery life, three-speed control, and flexible mounting options to deliver reliable cooling wherever it is needed.