8-14 Hrs Portable Mini Humidifier USBBattery Operated Ultrasonic Cool Mist Humidifiers Personal Desk Humidifier with Container Diversity Auto Shut-Off Ultra-Quiet for Home Bedroom Office Baby

What's in the Box 1x Humidifier 2x filters 1x USB cable?3.9 feet) 1x Instruction Manual Highlights: ?Creative without Water Tank Design ?Pure Mist Moisture Technology ?Whisper Quiet Operation ?Healthy Humidification ?Automatic Shut-Off when water level is low ?USB Powered (cable included) ?1100 mAh battery ?No light when working for sleeping Notes: 1. Please make sure the cotton core soak in water 5-10 minutes until full absorbed before your first time use. 2. Mineral water, cold boiled water and clean tap water are the best, pure water and distilled water are not recommended. And do not add essential oils into the containers. Product Information: Type: Cool Mist Ultrasonic Portable Humidifier Installation: USB Certification: CE, RoHS Power (W): 3 Watt Voltage (V): 5Volt Material: ABS+silicone Spray amount: 35ml/h Application: home/office/car Weight: 3.45Oz Size: 1.9x1.9x7.9 inch Battery Capacity:1100 mAh Spraying modes: constant mist and intermittent mist mode Trouble Shooting: If the humidifier not used for a long time,the cotton core will be dry,which will lead to no fog.It needs to be soaked again. Replace the cotton core if it absorbs too many impurities.  Essential oils will lead to blockage of the atomized plate.Just use cotton swabs and a little vinegar to gently wipe the atomized plate in this case.