Once you get your design polished, than consider partnering with a good Contract Manufacturer to do a trial run. Some will handle the ISO, CE, IC, UL and FCC paperwork for you. Make sure your Patents and Trademarks are locked down in both the manufacturing and marketed countries, or some ambitious folks will try to rip you off later. If your projected volumes attract profit sharing offers, than expect 10% to 14% of wholesale cost as a normal ask.

Tooling up a production line for even a toothbrush is well over $1.5m to get the first unit off the line. Building these factories is a different skill set, and everybody is bad at it at first.

Note hardware has a 1:6 success rate compared with service companies.

Best of luck, =3