12 Sep 2024 --- Lifestyle-tech brand Laifen showcases the Laifen Wave Electric Toothbrush Titanium, SE 2 High-Speed Hair Dryer and the compact Mini High-Speed Hair Dryer at Innovation For All (IFA) 2024 in Berlin, Germany. Compared to traditional oscillation rotary and sonic toothbrushes, Laifen’s “world-first” dual-action toothbrush introduces a brushing method that combines 66,000 sonic vibrations per minute with a wide-range 60-degree oscillation and is priced at €159 (US$175.09).