Portable 3Ml Usb Ultrasonic Aroma Diffuser With Seven-Colour Led Featuring Seven-Colour Led Changing Light And Automatic Cut-Off, This Aroma Diffuser Can Help Relax After A Tough Day. Features: Seven-Colour Led. Touch Switch Design, Easy To Operate. Noiseless For A Restful Sleep. Automatic Cut-Off When Water Runs Under Alert Level. Convenient Usb Charging. Specification: Material: Abs, Pp, Pc Product Size: 11 X 145Mm Tank Capacity: 3Ml Mist Output: 35Ml/H Noise: Lt;36Db Power Type: Usbp Owner: 2Wvoltage: Dc5v Working Time: 6Hrs Usage Area: 2-4 O Please Note: Do Not Add Essential Oils, The Essential Oils Will Corrode And Cause The Product To Break. Package Contents: 1 X Ultrasonic Aroma Diffuser