Feature:1. LIGHTWEIGHT DESIGN: The smart ring has an ultra light body, no sense of wear, bring lightweight experience, so light that you may forget it is there2. MULTIPLE FUNCTIONS: The smart ring has a variety of functions, you can always accompany your sleep, keep record of a variety of body data, so that you can observe your body at any time3. STEP RECORDING FUNCTION: The smart ring can also be a sports ring, because you can record the number of steps in a day, useful and practical4. ACCOMPANYING SLEEP: The health ring can also detect your sleep time and sleep state during sleep to tell you how good your sleep quality is5. APPLICABLE SCENARIO: This ring is a meaningful gift on any occasion or holiday such as birthday, anniversary, Thanksgiving, Xmas, or Valentine DaySpecification:Item Type: Smart RingMaterial: Metal and electronic componentsColor: PinkRing Battery Information: Li ion battery 18mAhBT Version: 5.1Water Proof Level: IP68.Package List:1 x Smart Ring1 x Charging Cable1 x User Manual