250ML USB Ultrasonic Air Humidifier & Essential Oil Diffuser – Quiet Mist Maker with LED Mood Light for Home & Car Use

Description 

This 250ml USB-powered evaporative humidifier is a compact, whisper-quiet device ideal for small spaces such as bedrooms, offices, or cars. Featuring a modern white design made of durable ABS, PP, and silicone materials, it delivers a fine mist at a rate of 40ml/h to effectively combat dryness while doubling as an aromatherapy diffuser.

With a noise level under 36dB, it ensures peaceful operation day or night. The device is equipped with dry-run protection, automatically shutting off when water is low to prevent damage. It operates via USB (DC 5V, 400mA) and can run for 5–10 hours on a full tank.

Key Features:
- Super quiet operation for undisturbed sleep or work  
- 250ml water capacity with 5–10 hour usage time  
- Anti-dry safety shutoff  
- Lightweight and portable  
- Touch-tone humidity control  
- Covers 10–20m² area  
- Aromatherapy compatible  
- Easy twist operation  

Note: Always soak the filter completely before first use. Replace the cotton swab if mist output decreases.