1. Ultralightweight design at 4.7g. The smart rings for men and women are incredibly lightweight, weighing only 4.7g, ensuring a comfortable and nonbulky wearing experience. Their featherlight design provides numerous benefits, particularly during sports activities. While training, you'll barely notice the ring's presence, allowing you to focus on enhancing your athletic performance. Crafted from stainless steel, the ring is durable, faderesistant, and boasts an elegant aesthetic, making it a stylish accessory. 2. Smart ring with heart rate and sleep tracking. This fitness ring prioritizes your physical and mental wellbeing. It features realtime heart rate monitoring, enabling you to track heart rate trends and fluctuations effortlessly. The sleep monitoring function analyzes sleep patterns, including wake time, deep sleep, and light sleep, helping you maintain healthy sleep habits. 3. Fitness tracking ring: The women's smart ring supports multiple sports modes such as walking, running, gym workouts, hiking, swimming, and more. It automatically detects your activity mode and records daily metrics like step count and calories burned. Package includes: smart ring x 1, English user manual x 1, charging cable x 1. 4. The gift: With an IP68 waterproof rating, this smart ring meets all daily waterproof needs. Available in gold, silver, and black, it makes an ideal gift for yourself or loved ones—whether for Christmas, birthdays, Valentine's Day, Children's Day, or any special occasion. Each ring comes in an exquisite gift box.