Feature:1. MAIN PURPOSE: This oxygen injector can be used with skin care products, it can transform skin care products into the finest mist spray, spray on the face to promote skin absorption and promote metabolism.2. HIGH EFFICIENCY: Using high pressure oxygen injection therapy, water and oxygen can be quickly injected into the bottom of the human skin to achieve the effect of moisturizing and rejuvenating the skin.3. POSITIONING WHEEL: The specially designed positioning wheel ensures the direct injection of the airflow, and uses the gas liquid dual channel molecular technology to prevent the sprayer from clogging.4. METAL STRUCTURE: The facial oxygen sprayer adopts an all metal structure, with a sturdy body and better heat dissipation, and the injector handle is frosted to improve slip resistance.5. EASY TO CHARGE: With a rechargeable design, you can use your laptop, power bank and car charger to charge the airbrush kit with a USB cable anytime and anywhere.Specification:Item Type: Oxygen InjectorColor: RedNozzle Diameter: 0.3MMSolution Tank Capacity: 20CC, 40CCAdapter: 5V 1.0AMaximum Pressure: 20PSICharging Time: 1.5 hours (stop working during charging)Battery: 18650 lithium battery 500mAha(Built in Battery)How to Use:1. Fill liquid2. Connect the nozzle to the body3. Turn on the power switch and adjust different pressures4. Adjust the fluid control knob and slowly pull the trigger to get different sizes of sprayPackage List:1 x Portable Oxygen Injector2 x Solution Tank1 x Dropper1 x USB Charging Cable1 x Wrench