[Premium Aluminum Alloy Build] The scent diffuser features aircraft-grade aluminum alloy construction, impervious to wear and scratches. Unlike plastic competitors, this waterless essential oil diffuser withstands high-traffic commercial use while maintaining a sleek, modern aesthetic. [Pure Waterless Diffusion] Using cold air technology, the cold air scent machine disperses undiluted essential oils (0.05-0.4ml/h) without water, preserving fragrance integrity. This scent diffuser delivers 3x longer-lasting scents compared to ultrasonic , ideal for lemongrass, lavender, or eucalyptus oils. [Smart App & Button Control] Adjust mist intensity, timing (15min-6hr intervals), and lighting via the companion app or manual buttons. The waterless essential oil diffuser stores 100ml of oil, covering 200㎡ for up to 15 days per charge—ideal for unattended hotel lobbies or yoga studios. [Ambient Prismatic Lighting] Seven rotating LED colors create mesmerizing light effects through the scent diffuser’s prismatic lens. Use subtle hues for spa relaxation or vibrant tones for event ambiance, all while maintaining <25dB silent running. [Commercial-Grade Performance] Designed for 100-200㎡ spaces, the cold air scent machine circulates fragrance 30% faster than standard diffusers. Its 5V/2A USB-C charging and tilt-proof design ensure robust performance in gyms, salons, or open-concept offices.