Language of Instructions:English
<br />Stype: 1.0 and 2.0
<br />Compatibility: Android4.1 , iOS 7.1 or above
<br />
<br />Display: 1.0: no screen 3 leds notifylight 
<br />               2.0: has screen  show time 
<br />               3.0:Heart Rate Version
<br />
<br />Application Age Group:Adult
<br />Compatibility:All Compatible
<br />Perfect Smartphone Companion
<br />
<br />The feature of the 1.0:
<br />ALL day activities tracking :steps,distance,calorie,burned,activity time
<br />Sedentary Alert :Sedentary light flickers with three times.
<br />Progress bar display:sedentary light lights up after you reach 30% of your setting target,sedentary and alarm clock light up after you reach 60% of your setting .
<br />Mute alarm clock :the alarm clcok led will  flicker with 15 seconds viberation.
<br />Call+SMS Alert 
<br />Super long stand by time 
<br />
<br />The feature of the 2.0:
<br />You can control your smart phone to take photos and you can enjoy the pleasure of taking photos on your wrist.
<br />It's more convenient to read the time, steps, mileage, calorie and goal.
<br />Anti-lost
<br />When the Bluetooth is disconnected or the phone is out of the Bluetooth distance, the watch will alert you.
<br />Sleep Monitor/Distance/Calorie Measurement
<br />To monitor the quality of your sleep, help you monitor the daily movement, such as, distance and calories precisely.
<br />Pedometer
<br />Count how many steps you have walked, how far you have run and how much calorie you have consumed. You can enjoy doing sports.
<br />Sedentary Reminder
<br />Set it to remind you to walk or exercise after a long time sit.
<br />IPX7 Waterproof
<br />Smart bracelet from water (Not for swimming or taking a shower).
<br />
<br />The feature of the 3.0:
<br />HR version 2017 Update new Features: Heart Rate Monitor
<br />Bluetooth version: V4.0 BLE
<br />Waterproof rating: Life-level waterproof, sweat-proof, rain-proof, Can shower,But can't swim.
<br />Main chip: Nordic
<br />Sensor: Gsensor 3D accelerator
<br />Bluetooth calling: Phone call reminder
<br />Health Tracker: Pedometer, Calories Counter, Distance, Sleep Monitor, Sedentary reminder
<br />Remote Control: Camera remote
<br />Other Functions: Alarm Alert, Time Clock, Anti-Lost, Phone Finder
<br /> 
<br />Package Including:
<br />1*Smart Heart Rate Wristband
<br />1*User manual
<br />1*Retail Box