Question about Oral-B - iO10

What is the difference between these Oral-B iO 10 products? CHF 369.00 delivered from 10.12.2024 https://www.galaxus.ch/de/s6/product/oral-b-eltandbrste-io10-cosmic-black-elektrische-zahnbuerste-46983565 CHF 345.00 available immediately https://www.galaxus.ch/de/s6/product/oral-b-io-series-10-oszillierende-zahnbuerste-elektrische-zahnbuerste-36060136 Both are black and I think same accessories, same product. So what's different when it comes to price and delivery time?