RKSTN Smart Watch With Heart Rate,Blood Oxygen Sleep Monitor,Body Temperature Monitor,Fitness Watch Activity For Android IOS Phones,Smartwatch For Men Women Product parameters: Requirement:Android 4.4 and above,IOS 8.0 and above,with BT 4.0 BT version:BT4.0 BT chipset:telink 8250 Heart rate:Tianyi Hexin 3300 RAM/ROM:512KB(Flash 64M) Display:1.54" IPS 240x240 Battery capacity:230mAh Stand-by Time:Around 15days Working Time:Around 5-7days Button:Support Motor:Built-in,vibrate notification Charging Interface:Charger Waterproof Level:Life waterproof Sensor:Limin 3001 UI language:Chinese, English Bracelet language:Chinese, English, Traditional, Japanese, French, German, Russian, Italian, Portuguese, Spanish, Thai, Greek, Turkish APP language:Chinese, English, Thai, Russian, Spanish, Portuguese, Traditional, Japanese, Korean, Turkish, German, French, Italian, Arabic, Hindi APP:Scan Q-R code to download Funkeep Material of device:Zinc alloy Material of strap:TPU Product size:4.4x3.7x1.1cm/1.73x1.46x0.43 inch Package size:14.3x7.1x2.5cm/5.63x2.79x0.98 inch Net weight:44g/0.09 lb Gross weight:108g/0.23 lb Function: Date and week display, Step, Calories, Distance,stop watch Heart rate monitoring, blood pressure monitoring,Blood oxygen monitoring, Automatic sleep monitoring, Female physiological monitoring,Body temperature monitoring Information storage, brightness adjustment, MA-C address view, device RESE-T Multiple sports modes (strike, basketball, mountain climbing, running, badminton, cycling) 4 dial UI can be switched on main interface,Custom dial, massive dial push Alert & Notification function:Bluetooth call,Call reminder, Message, QQ,Wechat. Faceboo-k,Skype,TWITTE-R,WhatsApp,Line, KakaoTalk Hangouts content display and so on Special Function: Sedentary, Alarm Reminder,Drink water reminder function Wechat Sports Connect, set up sports goal, SHAR-E fitness inf-o Alarm clock, raise the hand bright screen, bright screen time, find the phone, find the bracelet, call rejection, SHAK-E to take photos, do not disturb mode (time setting, turn off the bracelet vibration, turn off the message reminder), music player Package include: 1 x Smart Watch 1 x user manual 1 x charging cable