Professional tooth cleaning equipment, long-term use can clean teeth and achieve whitening effect.It can be connected to the charging port of the mobile phone for power supply, supports multiple interfaces, and can be used anytime, anywhere.Non-hydrogen peroxide gel, long-lasting cleaning of teeth.Soft TPE silicone mouth tray, food grade material, harmless to teeth.Powerful blue LED lighting assist.Product Name: Gel Teeth Whitening SetFunction: whitening/cleaning teethApplicable object: AdultLight: LED blue lightTiming function: 16 minutes of working timePower supply mode: USB/Type-C /iPhone/Android interfaceInstructions:1: Please rinse your mouth with water before use2: Apply gel on the surface of the teeth3: Connect the device from the mobile phone port or USB port4: 16 minutes timing whitening5: Rinse mouth with water6: Clean the instrument with water