This fitness watch will auto-detect and track your sleep, and analyze your sleep quality Accurately track your steps, walking distance, burning calories, all-day activity time, and multiple training modes to better track your other activities IP65 waterproof: The watch can also be used normally when washing your hands or on rainy days. It will accompany you to go further without fear of wind and rain Heart rate monitoring: Optical sensor, accurate measurement of 3D technology, real-time monitoring at 24 hours,you can know the heart rete changes at any time,control the physical condition table Functions: Call Reminder, Time Display, Calculagraph(Stopwatch, Countdown), Alarm Clock, Photo Control, Music Control, Turn Your Wrist and Light up the Screen, Blood Oxygen Monitor, Blood Pressure Monitor, Heart Rate Monitor, Sleep Tracker, Sedentary Reminder, Pedometer, Calorie Display, Distance, Multiple Sport Modes, OTA Specifications: Display: 1.3" IPS Resolution: 240x240 Body Shell Material: PC Face Mirror Material: Glass Band Material: TPU CPU:HS6620D Sensor Chip:HRS3300 OS System: Android 5.0 & IOS 9.0 and above APP Name: Fit Pro Bluetooth Version: V4.0 APP Languages: English, Japanese, Traditional Chinese Battery Capacity: 130mAh Body Size:44 x 44 x 12mm Package included: 1 x 119PLUS Smart Watch 1 x USB Charging Cable 1 x English and Chinese Manual Other items not included