The Hardmind ring is the ultimate expression of technology integrated with design. Conceived as an intelligent piece of jewelry, it combines precision with minimalist elegance. Its compact size concentrates advanced health monitoring functions: heart rate, oxygen level, blood pressure, sleep quality, daily activity. Designed to suit every style, this unisex model stands out for its perfect balance between aesthetics and performance. Meticulous finish, durable materials, IP68 waterproofing, long battery life with rapid recharging thanks to the charging case and its 4 to 5 day battery life. Thanks to its dedicated application, it also becomes a daily tracking tool, allowing you to check your progress and data at any time. The Hardmind ring is for those who demand invisible, reliable and elegant technology. A precision standard, worn at hand.