Special Features: Phone book Dial Call Heart Rate Monitor Blood Pressure Monitor Blood Oxygen Monitor Sleep Monitor Multi-sport Modes Pedometer Call or Message Reminder Call ID Display Information Push Reminder (SMS/QQ/WeChat/Skype/Facebook/Twitter/Line/WhatsApp) Weather Push Music Control Auto Light-up Screen Alert Type: Vibration Stopwatch Other Functions: Alarm clock ,Sedentary reminder,Camera remote control,Anti-lost APP Name: TFit Specification CPU: Realtek 8762c+Jerry AC6926/138KB SRAM BT - Version: BT 3.0+4.2 Compatible OS: Android 4.4 or above , iOS 8.2 or above Operating Mode: Full Touch,2 FPC buttons Waterproof: IP67 Screen Size: 1.3 round TFT Resolution: 360*360 pixels Battery Battery Capacity: 200 mAh Standby Time: About 12 days Using time: About 1-2 days Charging Time: About 2.5 hours Power supply: 5V/1A Charging Type: Clamp charging App Language: English,Portuguese,Spanish,Korean,Russian,German,Italian,Japanese,French,Simplified Chinese,Traditional Chinese Message Push support Language: Most Language Package Included 1 * Smart Watch 1 * Charging Cable 1 * User Manual 1 * Retail box Please keep the APP running in the background of the phone, otherwise the watch will be disconnected from the phone and will not be able to receive messages.