Capacity300 Milliliters Runtime4 hours Room TypeBedroom,Usb 1.Mini Cute Humidifier Two mist modes: Intermittent mist and continuous mist.When you press the button first time, it will continuously spray for 4 hours.When you press again and it will intermittently spray (Continuous spray 3s stop 3s) for 8 hours. 2.SAFETY & AUTO SHUT-OFF On continuous mode, it will automatically shut-off after about 4 hours;On intermittent mode, it will automatically shut-off after about 8 hours.Therefore, no worry about safety when you use it while sleeping. 3.COLORFUL BREATHING LIGHTIt can keep breathing light mode to create a peaceful ambiance while delivering a soothing mist. 4. UNIVERSAL POWER TIPS many devices with USB port (desktop, laptop, power bank and socket). 5. WHISPER-QUIET OPERATION Ultrasonic cute humidifier lowers the noise level to 30dB (quieter than a computer) for quiet humidification without disturbing your study, working or sleeping, away from those nasty noise.It offers maximum relaxation for you