"RetroBee" is a delightfully positive name.
Retrobee has eight letters and three syllables. Three syllable names are used by established brands like Heineken, Microsoft and Vodafone.
This domain was first registered in December 2013. Older domains have an advantage when ranking in search engines.
Retrobee.com is a .com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like twitter.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.