116S Heart Rate Watch Smart Wristband Waterproof Sports Watch for Android IOS Description TIPS: 1.This product can only seurface splash waterproof(Cool water), please don't wear it to swim ,drop it to the water or soaked in water ect. 2.If the watch can't be started up,pls charge it before you ues 3.When using it for the first time, please let the watch be fully charged before using it for longer life. If you don’t understand, you can contact us. Main Features: ● Uses alarger 1.44-inch display, larger words, clearer, high-sensitivity screen can achieve various operations, smart call reminder, Bluetooth camera, steps, calories, sleep monitoring, heart rate quickly view various functions, and the operation of the large color screen is smoother, and smart life is started from then on. ● The bracelet ismade of diamond-shaped lattice texture. The TPU materialhas a skin-friendly texture and is soft and smooth. Thesingle-breasted designallows you to and not fall off. The five colors are optional and can be replaced at will. ●Plug-in design, plug-and-playand worry-free charging, the charging port is USB interface, remove the wrist strap, you can plug directly into the USB or charging head, easy and convenient. ●Built-in optical heart rate sensor, pay attention to your heart rate changes 24 hours a day, record your heart rate changes in each time on the excellent living APP, outline your heart rate, present your health and beauty. ●The APP connectionproduct distinguishes the exercise warm-up, the burning fat, the cardio-pulmonary enhancement and the like by drawing a curve of the data obtained by the monitoring. Let you know the heart rate changes in each time period, reasonably plan the exercise intensity, and release your sports passion more effectively Feature: Model Number:116plus/D13 Bluetooth Version:Bluetooth 4.0 APP Language: English,French,Italian,Japanese,Korean,Polish,Portuguese,Russian,Simplified Chinese,Spanish,Traditional Chinese Waterproof / Water-Resistant:Yes Operating mode: button Compatible OS:Android,IOS Battery Capacity:150mAh(Upgraded version)--It takes a long time to charge for the first time. Standby time:10-15 days(Upgraded version)--It takes a long time to charge for the first time. Functions:Alarm Clock,Blood Oxygen,Date,Measurement of heart rate,Message,Sedentary reminder,Sleep management,Time Notification type:Facebook,Wechat,WhatsApp Alert type:Vibration Shape of the dial:Square Shaped Case material:Metal Band material:Silicone Band size:260x20mm Dial size:39.8x39.8x9.6mm Package Contents: 1 x Smart Watch