This Hot Air Hair Dryer Brush is an amazing combination of a comb straightener and a hairdryer, making it the perfect tool for your hairstyling needs. It is a universal product suitable for all users, with a global universal voltage of 100-240V and a usage time of 45 minutes. It has three temperature settings of 55°, 80° and 105° for different hair types. It is an excellent salon beauty hair tool for both professional and personal use.