Frenzy v2 is indeed more cost-effective There are currently 5 commercially available versions of Frenzy 5. Frenzy 5 Frenzy 5ream Frenzy 5Pro Frenzy 5v2 is already Frenzy 5v2td, but for those with a higher price For Pro, there will definitely be a discount when waiting for v2 later, and the configuration and feel Similar to Pro, excellent grounding feel and light nitrogen feeling