Features 1、HEALTH MONITORING: The smart fitness ring utilizes advanced sensors to analyze key data such as exercise and sleep quality, helping you stay informed about your health status at all times. 2、VERSATILE FUNCTIONS: With features like body temperature monitoring, sleep quality tracking, and step counting, this smart ring allows you to view your body's health data whenever you need to. 3、FASHIONABLE WITH LONG BATTERY LIFE: Made of polished ceramic, the smart ring is lightweight, stylish. Its energy saving technology ensures a single charge lasts for 7 days battery life. Compatible with for Android and other systems, convenient to view the data. 4、RESHAPE YOUR ACTIVE LIFESTYLE: By recording and analyzing your health data, this health ring can motivate you to adopt a healthier lifestyle. Whether you are into fitness, focus on sleep quality, or aim to manage stress effectively, this device can help you achieve your goals. 5、WATER AND DUST RESISTANT: Designed to withstand water exposure for activities such as handwashing, showering, and swimming, the smart ring can be worn in various daily water related situations while its sensors continue tracking your health data reliably. Specification Item Type: Smart Ring Material: Stainless Steel Built in Battery: Battery 20mAh Ring Battery Life: Approx. 7 days Ring Charging Time: Approx. 45 minutes App: For Smart Health Size: Suitable for 62.1mm / 2.44in finger circumference, 19.8mm / 0.78in inner diameter Package List 1 x Ring 1 x USB Cable 1 x Instruction Manual