•Sleep Analysis: It can analyze your sleep quality to help you get better sleep •Health Monitoring & Fitness Tracking: It can monitor your 24-hour heart rate, blood oxygen saturation, making sure you know your health at all times. And it can accurately record your steps, distance and calories consumed •Camera Remote Control: Use as a remote shutter, allowing you to take selfies or group photos without help. You can easily record the perfect shot even when you are alone •Waterproof Design: Whether daily washing hands or taking a shower, it can provide reliable waterproof protection •Wide Compatibility: It supports for Android 5.1 and above, for iOS 8.0 or above Specifications: •Chip: JL AC6323 •APP: Smart Health •Compatible system: Android 5.1 (inclusive) and above, iOS 8.0 (inclusive) and above •RAM: 4MB •Screen: none •Resolution: none •Encoder: none •Touch control: not support •Bluetooth-compatible: 5.0 •Bluetooth-compatible call: not support •WiFi: not support •NFC: not support •Acceleration sensor: SC7A20H •Gyroscope: not support •Heart rate sensor: Goodix GH3018 •GPS: not support •Battery type: polymer lithium ion battery •Battery capacity: 20mAh •Charging method: magnetic charging •Function: health monitoring (steps, kilometers, calories, exercise data recording, heart rate measurement, blood oxygen measurement, sleep health monitoring), smart photo taking, adding friends, multiple sports modes (running, cycling, skipping, walking, mountaineering, yoga, golf, dancing), etc •Supported languages: English, Simplified Chinese, Traditional Chinese, Russian, Ukrainian, German, French, Italian, Spanish, Portuguese, Polish, Greek, Romanian, Hungarian, Czech, Slovak, Irish, Croatian, Swedish, Danish, Finnish, Arabic, Persian, Norwegian, Japanese, Korean, Thai, Vietnamese •Waterproof rating: IP68 •Charging time: about 1-2 hours •Usage time: 3-5 days •Standby time: 7-10 days •Appearance material: epoxy resin + stainless steel Package included: •1 x Smart Ring •1 x Charging Cable •1 x English User Manual •Other things not included