WHATOOK Portable Desk Fan: 10000mAh Max 40+H Runtime Silent Rechargeable Electric Fans with 1-100 Stepless Speed,15s Auto-sleep Display, USB C Fast Charge for Travel Office Bedroom Camping Essentials

10,000mAh COLOSSAL BATTERY OPERATED FAN: Engineered with a massive 10,000mAh internal rechargeable battery, this powerhouse offers the ultimate endurance for any battery operated fan. Enjoy up to 40 hours of continuous airflow on a single charge—eliminating the constant need for power sockets during UK heatwaves or long weekend camping trips. 1-100 STEPLESS PRECISION SPEED CONTROL: Move beyond restrictive 3-speed settings found in ordinary electric fans. Our intuitive stepless knob allows you to customise your breeze from a 1% gentle whisper to a 100% powerful gust. This precision makes it the perfect personal fan for finding the exact "sweet spot" for focused work or a baby’s nap. SMART LED WITH 15S AUTO-SLEEP TECHNOLOGY: The crystal-clear digital display fan monitors speed and battery levels in real-time. To ensure an undisturbed night's rest, the screen features a 15-second auto-sleep function that turns off the light automatically, creating a pitch-black environment—a must-have silent fan for sleeping and sensitive sleepers. WHISPER-QUIET 30dB SILENT DESK FAN: Equipped with an advanced brushless motor and aerodynamically balanced blades, this silent fan operates at under 30dB—quieter than a library. Combined with the auto-sleep display, it functions as a "Sleep Sanctuary," providing high-performance cooling without any distracting noise or light pollution. DETACHABLE WASHABLE GRILLE FOR HYGIENE: Health and cleanliness are paramount for any desktop fan. The front grille is designed to be easy to clean and fully washable, allowing you to remove accumulated dust and allergens. Maintain a fresh, healthy breeze in your bedroom or nursery without the hassle of traditional, hard-to-clean fans. EMERGENCY POWER BANK & REVERSE CHARGING: More than just a portable fan, it serves as a reliable energy station. The integrated USB C fan output port allows you to use the 10,000mAh reservoir to jump-start your smartphone or tablet, making it an essential backup for travel essentials, outdoor adventures, or sudden power cuts. 180° HYBRID MOUNTING & FOLDABLE HOOK: The versatile 180° adjustable bracket functions as both a stable table fan stand and a heavy-duty hanging fan for tent. Effortlessly transition from a desktop oasis to a portable cooler for your caravan, or mount it on a kitchen wall to save precious counter space while cooking. ULTRA-SLIM & CRUISE FRIENDLY PORTABILITY: Despite its high capacity, this small fan features a sleek, 1.6-inch thin profile that fits easily into any backpack. Fully compliant with air and sea travel regulations, it is the quintessential addition to your cruise essentials, hiking kit, and summer holiday packing list. ENERGY-EFFICIENT COOLING FOR UK HOMES: In response to rising energy costs, our rechargeable usb fan offers a cost-effective alternative to expensive air conditioning. Its low-power consumption design delivers professional-grade airflow while being eco-conscious, making it a smart, budget-friendly investment for any modern UK household. DURABLE MATTE DESIGN & RELIABLE SUPPORT: Crafted from premium, fingerprint-resistant matte black ABS, this powerful fan is built for longevity. Each unit comes with a high-speed USB C charging cable and a detailed manual. We provide dedicated support to ensure your satisfaction, from the home office to the rugged outdoors., Weight: 1.0031032921 Pounds, Manufacturer: WHATOOK