【Transparent Mecha Design】The unique transparent mecha-inspired design adds a futuristic touch to this portable fan, making it a stylish accessory. 【Cold Compress Function】Featuring semiconductor cooling technology, this fan gives you more comfort during hot summer. 【Powerful Performance】Equipped with a brushless motor, this fan delivers strong airflow while maintaining energy efficiency. 【Ultra-Portable】Compact dimensions of 60*55*155mm make it perfect for on-the-go cooling, fitting easily in bags or pockets. 【Whisper-Quiet Operation】Operating at just 45-50dB, this fan provides a cool breeze without disturbing your peace. Specifications: Blade material: plastic Shell material: ABS Additional function: semiconductor cooling Size: 60*55*155mm Motor type: brushless motor Noise: 45-50dB (inclusive) Built-in battery capacity: 3000mAh Battery life: 8-12 hours (inclusive) Product size: 60*55*155mm Wind speed level: 100