R11M Smart Ring Health Sleep Monitoring Fitness Tracker - Rose Gold/22.2mm •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: 5.0 •Bluetooth 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