ShenZhen YaWell intelligent Technology Co.,Ltd Smart Ring - LED Dispay Screen Heart Rate Sleep Tracker

MULTIFUNCTION: - Pedometer: Steps,Calories,Distance - Heart Rate Monitor - Sleep Tracker - Sport Modes - Remote Camera HARDWARE: Free APP: QRing Low Energy Bluetooth: 5.0 Charging Type: Magnetic Charging Ring Battery Capacity: 15mAh Compartment Battery Capacity: 200mAh Work Time: One full charge for 5-7 days Compatibility: Smartphone iOS 8.0 or above, Android 5.1 or above NOTES: - Free App - no subscription fees - IP67 Waterproof - DO NOT suitable for hot water Packing: - 1* Smart Ring - 1* USB-C Charging Compartment - 1* Type-C Charging Cable - 1* User Manual Any questions,please kindly contact us,we would always offer best solution to you.