Xiaomi Smart Band 8 Pro - Operating System: Android Wear 1.0 Additional Features: Activity Tracker GPS Geotagging Functionality: Built-in GPS Band Material Type: Silicone Case Material Type: Plastic Water Resistance Level: Waterproof Sport Type: Multi-Sports Human Interface Input: Touchscreen Clasp Type: Hook Buckle Supported Application: Alarm, Blood Pressure Monitor, Calendar, Camera, Contacts, Elevation Tracker, Email, Find My Phone, Fitness Tracker, GPS, Heart Rate Monitor, Messages, Multisport Tracker, Music Player, Pedometer, Phone, Photo Gallery, Reminders, Sleep Monitor, Social Media, Time Display, Video Record, Voice Assistant, Voice Control, Voice Record, Weather Water Resistance Depth: 50 Meters Language: English Supported Satellite Navigation System: GPS Controller Type: Touch screen Metrics Measured: Accelerometer, Heart Rate, Sleep Closure Type: Buckle