Update README.md

Author: keychron-dev

V-Max-Series/V6 Max/README.md

@@ -4,7 +4,7 @@
 
 **Product page:** [Keychron V6 Max](https://www.keychron.com/collections/keychron-v-max-series-keyboard/products/keychron-v6-max-qmk-via-wireless-custom-mechanical-keyboard)
 
-![V6 Max](https://www.keychron.com/cdn/shop/files/V6-Max-11_2048x.jpg?v=1709002985)
+![V6 Max](https://www.keychron.com/cdn/shop/files/V6-Max-Iconic-Features.jpg?crop=center&height=1200&v=1760175342&width=1200)
 
 ## Specifications