Just like the title said. Click the link, ‘clip’ the coupon, check out. Seems to be limit 1 on this one (coupon limit). I bought 3 of these on the last deal for about $3 more.
https://www.amazon.com/gp/product/B07XGK1JHF
RGB control software available here:
https://www.aukey.com/pages/downloads – search for KM-G12 US