We just use a headlamp, but it is nice to have other lights.

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Also those lights you posted are available don't seem to mention being waterproof and they look identical to lights you can get on amazon for your bike. I have a few sets. Try searching Ascher USB rechargeable lights. Ascher Lights

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Sorry I see now the nixy do say "water resistant". Although these look similar and say waterproof: Vont lights Amazon

Ascher USB Rechargeable Bike Light Set,Super Bright Front Headlight and Rear LED Bicycle Light,650mah Lithium Battery,4 Light Mode Options(2 USB cable https://www.amazon.com/dp/B01EUQ7ZQG/ref=cm_sw_r_cp_apip_TKfSrii1lEPLg

These little guys attach to anything in seconds, offer good battery life, are reasonably bright but not obnoxious, and are easy to recharge — I’ve bought three pairs for various bikes and always been pretty happy with them. Plus, they’re pretty damn cheap.

https://www.amazon.com/Ascher-Rechargeable-Headlight-Resistant-Included/dp/B01EUQ7ZQG/