zeroHero Rui Mini Portable Electric Grinder: Foldable, Quiet, Precise.

Don't let travel compromise your daily brew. The zeroHero Rui Mini packs professional-grade grinding into an ultralight 480g body. Featuring a revolutionary collapsible hopper and a proprietary 38mm conical burr, it delivers café-quality grind consistency anywhere—without the noise or the bulk.

Core Features Designed for Travel & Precision:

• Proprietary 38mm Conical Burr: Built with double-bearing stability and a dual-stage grinding mechanism. It precisely cuts and crushes beans, ensuring highly uniform grounds for a smoother, sweeter extraction.
• Revolutionary Foldable Hopper: Space-saving innovation. The collapsible top with a secure magnetic lid reduces the grinder's height to a mere 17cm, slipping effortlessly into any travel bag.
• Smart Auto-Stop Motor: Grind hands-free. The intelligent motor automatically shuts off the exact moment your coffee beans are fully ground.
• Ultra-Quiet 68dB Operation: Enjoy your early morning coffee routine in peace. Engineered to run quietly without waking up the house or the campsite.
• 30-Session Marathon Battery: Powered by an 800mAh USB-C rechargeable battery. A single fast charge delivers up to 30 effortless grinding sessions on the go.