The three colours of the smart LED indicator correspond to the temperature setting of the hair dryer.
Hair Dryer, 1500W Fast-Drying Blow Dryer 200 Million Negative Ionic Hairdryer
Hair Dryer 1500W & 105,000 RPM, Professional Ionic Blow Dryer, Magnetic Nozzle
XUMIUZIY Cordless Hair Dryer, Negative Ionic Hair Dryer, 100000RPM Brushless Motor, 200W Fast Drying, Rechargeable & Low Noise, Thermo-Control Blow Dryer with Magnetic Nozzle (White)
Hair Dryer Professional Ionic Diffuser Hairdryer & Accessories, 2 Speed 3 Heat Setting Hairdryers for Women Men Hair Dryer with Diffuser for Curly Hair 2400W Light Blowdryer Travel Hairdryer
Hair Dryer, Professional Ionic Hair Dryer with 3 Speed 4 Heat Setting, Brushless Motor 110000 RPM Low Noise Thermo-Control Travel Hairdryers with Magnetic Nozzle 1600W Portable for Home Travel(Gray)
