Green Lion Smart Ring Pro with Digital Display is a combination of style and top-level functionality. Constructed with stainless steel, it features the Dialog DA 14585 chipset for a smooth experience. It comes with 128KB ROM and 96KB RAM for fast processing and glitch-free operations. It features Bluetooth V5.1 for a stable connection and an HX3918 sensor for accurate tracking. Its 16mAh lithium-ion polymer battery lasts for 4-5 days with 1-hour magnetic charging. An IP68/5 ATM dustproof and waterproof rating on the ring guarantees durability and accommodates various activities. With 128 sports modes, step goal setting, sleep monitoring, and blood oxygen detection, this smart ring assists in monitoring health holistically. It supports Android 9 and later and iOS 10 and later, and also supports remote snap for easy photography. Suitable for fitness enthusiasts and those who wish to stay connected while on the go.