Product Description: Say goodbye to second-hand smoke and noisy fans. This compact 2-in-1 device works as both a modern ashtray and a powerful air purifier. A high-density H13 HEPA filter plus 8 million negative ions remove 98 % of smoke, odors, dust, and allergens in rooms up to 20 m². The advanced turbofan runs at only 36 dB—quieter than a whisper—so you can sleep, work, or relax in peace. Powered by a built-in 4000 mAh lithium battery and USB-C cable, it’s ready for home, office, car, or travel. Key Features: • Dual Function: Premium ashtray + HEPA air purifier eliminates second-hand smoke and odors • True H13 HEPA Filter: 98 % filtration efficiency for smoke, pollen, PM2.5, and pet dander • 8 Million Negative Ions: Actively neutralize airborne pollutants • Ultra-Quiet: 36 dB at low speed—ideal for bedrooms and nurseries • Portable Power: 4000 mAh battery lasts 6–8 hrs per charge; USB-C fast recharge • Wide Coverage: 51–150 m³/h airflow for spaces ≤ 20 m² Specifications: • Applicable Area: < 20 m² • CADR: 51–150 m³/h • Filtration: H13 HEPA + negative ion generator • Noise Level: 36 dB • Power Supply: USB-C (5 V / 2 A) • Battery: 4000 mAh Li-ion • Run Time: 6–8 h (eco mode) • Material: High-temperature-resistant ABS • Color: Black • Package Includes: 1 × Air Purifier & Ashtray, 1 × USB-C Charging Cable Note: Keep away from children. Only the listed items are included. Slight color or measurement deviation (±1–3 cm) may occur.