Yesido IO33 Health Monitor Smart Ring, Support Body Temperature Heart Rate Blood Pressure Female Physiological Reminder Features: 1. High wear-resistant stainless steel material with better hardness 2. Health monitor (steps, distance, calories, photo taking, blood pressure and heart rate-24-hour heart rate detection) 3. 50M (5ATM) waterproof-support swimming 4. Body temperature-female physiological reminder. 5. Support IP synchronization health records 6. Brand high-end chip blessing, making its data more stable 7. Support handheld control function 8. Real-time heart rate detection Specifications: 1. Material: Aluminum alloy + resin 2. Chip: RTL8762 ESF 3. Battery capacity: Battery capacity: 15mAh (57mm 60mm), 18mAh (63mm, 65mm, 68mm) 4. Health monitor: steps, distance, calories, photo taking, blood pressure and heart rate (24-hour heart rate detection), body temperature (female physiological reminder) 5. 50M (5ATM) waterproof: support swimming 6. IP synchronized health records, support handheld control function, real-time heart rate detection Packing list: 1. Main body x 1 2. Instruction manual x 1 3. Charging cable x 1 4. Model ring x 1 5. Charging box x 1