What is essential oil diffuser?
Oil diffusers are small devices that send the essential oil elements into the air. It is the favorite method for air purification. When we breathe in the gentle vapors of the aromatic oil, the fresh, earthy, or fragrant scent smells so wonderful that we feel relaxed. Look for a high-quality essential oil diffuser here for freshing air surrounding you!

Why do you choose this small USB ultrasonic humidifier?
This product adopts the most advanced ultrasonic atomization technology in the world. It is not only energy saving, but also environmentally friendly. It humidifies the air and brings you the pure and fresh air. The small and exquisite outlook enables you to enjoy the moist air anywhere and anytime.

Features:
- Natural air freshener: our ultrasonic technology breaks up essential oil into micro-particles, creating a fine water vapor that spreads throughout any room
- Improve oil quality and efficacy: by projecting a cold, even mist, essential oil is not heated to preserve their therapeutic benefits. Especially important for temperature-sensitive oils like our cold-pressed lemon or bergamot oil
- Large water tank capacity: 290ML water capacity, ultrasonic vibration turns the water and oil into an ultrafine scented mist that refreshes rooms
- Ultra-quiet design: working sound less than 35dB, nourish the body and sleep a stable feel
- Compact appearance: fashionable and novel design, portable to carry and space saving
- Spare cotton swab: there is a substitute cotton swab for replacing, healthy and safe
- Water auto shut off: once the water runs out, it will be auto shut-off to protect the device

Specifications:
- Power supply: USB port
- Spray volume: 40ml/h
- Water capacity: 290ml
- Effective area: 15 square meter