Main control chip: REALTEK8752CJ Gravity sensor: STK8321, Heart rate sensor: LC11 Memory: 160KB RAM+32Mbit. Bluetooth ROM: Bluetooth LE 5. 0LCD: 0. 96inch IPS Screen 160*80 TFT Touch Control: Dual Touch Left and Right Swipe Operation + Single Touch Operation Charging Method: 2PIN Magnetic Charging, Waterproof: IP67 Waterproof Battery Capacity: 90mAh Polymer Battery, Product Dimensions: 55*20*12mm APP Name: DeepFit APP System: Android 4. 4 and above; iOS 9. 0 and above Version Functions: Body Temperature Monitoring, Shake to Take Photos, OTA Upgrade, Find, Find Bracelet, Dial Switch for Blood Sugar Monitoring, Sleep Monitoring, Call Rejection, Remote Family and Friend Care Health Monitoring: Heart Rate, Blood Sugar, Blood Pressure, Blood Oxygen, Stress Real-time Monitoring Dial Selection: Multiple APP Dial Selection Remote Music: Control Player pause Previous, next song other functions: stopwatch, countdown timer, step counting, calorie, distance, sleep monitoring, exercise mode, call reminder, alarm reminder, sedentary reminder, hand-raised to turn on screen, social sharing (WeChat, QQ, Facebook, Twitter) and more exercise modes: outdoor running Outdoor Cycling Outdoor Walking Indoor Running Training Plank Exercise 6 Sports Modes Message Alerts: Calls, Texts, Emails, WeChat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Instagram, Messenger, Snapchat, Line, Kakao Talk, Viber, Skype, Telegram Watch Languages: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish Supports 13 Languages