1、[Intelligent Step Tracking] The fitness smart ring features precise step tracking and monitors exercise data accurately, to help you achieve your health goals. 2、[Deep Waterproof] IP67 waterproof grade, you can comfortably wear this fitness tracker ring in different environments without worrying about splashes of water damaging it. 3、[Sleep Monitoring] The health tracker ring comes with an advanced sleep monitoring function, analyzing your sleep quality and providing insights to enhance your sleeping outcomes. 4、[Stylish and Practical] With its black design, this sleep monitor ring is stylish yet refined, complementing all styles of outfits, perfect blend of fashion and function. 5、[Comprehensive Health Management] This smart health ring helps you monitor your physical activities daily, providing all around health management. Item Type: Fitness Smart Ring Material: Titanium Alloy Ring Battery Type: Lithium Battery (Shipped with Built in Battery) Ring Battery Capacity: 20mAh Ring Power Supply: USB Interface Ring Waterproof Level: IP67 Color: Black 1 x Fitness Smart Ring 1 x Charging Cable 1 x User Manual