D18 BT4.0 Smart Watch Sleep Monitoring Fitne Tracker Waterproof Bracelet Features: 1.3 inch TFT color screen with high sensitivity and single touch control, which can realize various operations. Support call and meage notification, no important information will be mied. IP65 waterproof for daily life, multi-sport mode, suitable for outdoor sports. Automatically record daily movement step and calorie data. Support heart rate, blood preure, blood oxygen monitoring, sleep monitoring function, when you fall asleep, it will automatically monitor the quality of sleep and record data on the APP. USB plug-in charging design, remove the wrist strap to plug in and charge, easy and convenient. Specification: Model: D18 Type: Smart Watch Material: ABS&Rubber Screen Size: 1.3inch TFT Resolution Ratio: 240 x 240 BT Version: BT 4.0 Compatible OS: Android 5.0 and above/IOS9.0 and above Operating mode: Touch button Battery Capacity: 90mAh Functions: Alarm setting, Sedentary reminder, Heart rate monitor, Pedometer, Sleep monitor, Call/meage reminder, Search for phone, Hand raise to light up, Remote camera and more. Alert type: Vibration App Language: Chinese, English, Spanish, French, German, Ruian, Arabic, Dutch, Portuguese, Arabic, Turkish, Japanese, Malaysian, Thai Package List: 1xSmart Watch 1x User Manual