1、Multifunctional: In addition to the step counting function, smart health ring can also be deeply waterproof and sleep monitoring to meet your various needs. 2、Intelligent Design: Fitness smart ring utilizing smart technology to accurately record exercise data and provide personalized recommendations for users. 3、Comfortable Wear: Ring design is lightweight and comfortable, occupying minimal hand space, which is suitable for all day wear without discomfort. 4、High Waterproof Performance: Smart tracker ring adopted IP68 waterproof design, can be used in deep water without damage, ideal for swimmers and divers. 5、Sleep Monitoring: Smart ring automatically monitors sleep quality, provides detailed sleep data, and improvement suggestions to enhance sleep quality. Item Type: Smart Ring Material: Stainless Steel Ring Battery: Lithium Battery 28mAh(Include) Charging Case Battery: Lithium Battery 320mAh(Include) Bluetooth: BLE5.0 Waterproof Level: IP68 Application: For Android 5.0 and above, for IOS 9.0 and above 1 x USB Cable 1 x User Manual 1 x Smart Ring 1 x Charging Case