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Woot! [woot.com] has Razer DeathAdder V2 X HyperSpeed Wireless Mouse for $36.99 – extra $5 off with code RAZERWOOT (Offer expires 6/7/26 at 11:58pm CT, or while supplies last) = $31.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.