250ML USB Mini Air Humidifier Aroma Essential Oil Diffuser For Home Car Ultrasonic Mute Mist Maker Diffuser with LED Color Lamp

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Product Overview

Compact USB-powered humidifier designed to add moisture to the air in small rooms. Featuring a 250 ml water tank, quiet operation, automatic dry-run protection, and a portable design for home, office, or travel use.

Key Features

• Quiet operation with noise level below 36 dB.
• 250 ml water tank with up to 10 hours of operation.
• Automatic power-off protection when the water level is low.
• Compact and lightweight design for easy portability.
• USB powered for convenient use with compatible power sources.
• Moisturizes air in spaces from 10–20 square meters.

Specifications

• Product Type: USB Humidifier
• Color: White
• Material: Silicone, PP, ABS, Electronic Components
• Working Voltage: DC 5V
• Working Current: 400 mA
• Power Supply: USB
• Water Tank Capacity: 250 ml
• Mist Output: 40 ml/h
• Operating Time: 5–10 hours
• Recommended Coverage Area: 10–20 m²
• Noise Level: Less than 36 dB

User Instructions

1. Before first use, remove the cotton filter (swab).
2. Soak the filter in tap water for 1–2 minutes before installing it.
3. Use tap water only. Do not use purified or mineral water.
4. Ensure the spring is not lost when removing or reinstalling the filter.
5. If the mist output decreases significantly, replace the cotton filter.
6. Before each use, make sure the filter is fully saturated with water.

Important Information

• The filter must be completely soaked before operating the humidifier for the first time.
• Use tap water only. Purified or mineral water is not recommended.
• Replace the cotton filter if the mist output becomes noticeably weaker.

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