Huizhou JTLlink Technology Co., Ltd Smart Ring - Heart Rate Monitor Sleep Tracker Blood Pressure

MULTIFUNCTION: - Pedometer: Steps, Calories, Distance - Heart Rate Monitor - Blood Pressure Monitor - Sleep Tracker - Sport Modes - Remote Camera HARDWARE: Free APP: Smart Health Low Energy Bluetooth: 5.2 Charging Type: Magnetic Charging Ring Battery Capacity: 20mAh Work Time: One full charge for 5-7 days Compatibility: Smartphone iOS 11.0 or above, Android 6.0 or above NOTES: - App - No subscription fees - IP68 Waterproof - DO NOT suitable for hot water Packing: - 1* Smart Ring - 1* Charging Cable for Ring - 1* Charging Case - 1* User Manual Any questions,please kindly contact us,we would always offer best solution to you.