Essential Oil Diffuser for Home Quiet Smart Auto Aroma Diffuser Dual Nozzle Anti-Leakage 20ML Small Aromatherapy Diffuser Nano Mist Rechargeable Portable Aromatherapy Machine for Bedroom Hotel Vehicle Material: ABS or PP Battery Capacity: Rechargeable 2000mAh Power Supply: USB 5V 1A Charging Voltage: DC 5V 1A, fully charged within 5-6 hours Capacity of Essential Oil Bottle: 20ML (The product does not include aromatherapy oil) Spray Mode: First Gear: Spray for 15 seconds, stop for 165 seconds, use for about 10-15 days Second Gear: Spray for 60 seconds, stop for 120 seconds, use for about 7-10 days Third Gear: Spray for 120 seconds, stop for 60 seconds, use for about 5-7 days Product Color: Black, Light Wood Grain Brown, Deep Wood Grain Brown (optional) Product Size: 120 x 69mm or 4.7 x 2.7inch