Color and Size: Orange/Red/Green/Black: Silicon band Brown/Barely Black: Leather band Silver/Best black: Steel band Product Parameter: * 1.3 inch color Full touch screen * Chip HS6620D * Touch + side key operation * Built-in 200mAh battery,Standby Time 30 days, Use time 5-7 days * Bluetooth 4.0 * Compatible iOS 8.4 version above and Android 4.4 version above * IP67 waterproof.(It is forbidden to use it in bathing.) Functions: * Multi-sport mode (Football, table tennis, badminton, basketball, skipping rope, swimming, climbing, cycling, running, Walking) * Exercise step count, exercise time, calorie consumption * Heart rate monitoring, blood pressure/blood oxygen monitoring, sleep monitoring (sleep time, sleep quality) * Call reminder, SMS reminder, social APP information reminder (Facebook, T**er, Line, Whatsapp, Instagram...), Bluetooth call * Other functions: Sedentary reminder, Drink water reminder, Clock alarm, Remote Camera, Count down, Find the phone, raise your wrist to light up the screen, switch between multiple dials Languages: Watch languages: English, Russian, French, Polish, Spanish, Portuguese APP supported languages: Japanese, Korean, German, English, Russian, French, Polish, Spanish, Portuguese, Dutch, Arabic Packaging List: 1* Smart Watch 1* Charger 1* User Manual 1* Retail Box Note: --Before using, scan the QR code on the manual to download the app WearFit 2.0 and connect it to the watch with APP. --Step1：Open WearFit 2.0 APP--mine--Connection management--bind bracelet---find I9 and choose--pair--allow write data--done --Step 2:Go to your mobile phone bluetooth--on--other devive-----I9TH----connected. --Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively. --Please do not compared to hospital equipment about reading,it is NOT a medical device ! --For Android user: Please always authorize APP access to all phone functions and always let it operating on. and please turn on the GPS on your phone before you connect it. -- Please charge it for 2-3 hours when you receive it. it was run out of power after the long delivery. Thank you!