YUNTAB C5 Smartband,Heart Rate Monitor/Sleep Detect/Fitness Tracker/Call Notifiction,Compatible iOS 8.0 Android 4.4…

Functions:
Dynamic Heart Rate Monitor: C5 with optical heart rate sensor, shows you heart rate with PPG, you can see the results more intuitively.
Sleep Monitor: It tracks your sleep cycle, record the quality of sleep, helps you learn how to sleep better.
Sport Tracker: Record and track steps accurately, measure your daily walking distance precisely,calculate the consumption of calorie, record the daily burn-up calorie and GPS positioning.
Reminder: It contains Calling Reminder, Sedentary Reminder, Text Message Reminder,Vibrating Alarm, Anti-lost function, etc, through the app, you can set up daily, weekly or custom reminders, setting reminder for drinking, taking, meeting, sitting for too long or other alarm.
Entertainment: 0.91″ OLED display and Touch key are easy to control your cellphone to take photo from the watch. And SMS reminder, QQ, Wechat, Skype, Whatsapp, Facebook, Twitter Reminder .

Features:
Strap made of non-toxic environmentally TPU materials, has the advantages of wear-resisting, corrosion resistance and Waterproof, harmless to skin.
Comfortable adjustable Wristband and Light Weight: You can adjust it to fit your wrist .
Stylish and Unique design, it will be with you everywhere you go and it looks good no matter what you’re wearing or what you’re doing.

Specification:
CPU: Nordic52832
HR sensor: PXI PAH8001EI
G-Sensor: 3D G-Sensor
Main part: 240*20*12mm
Strap: 240mm
Display: 0.91″ OLED
Resolution:128*32
Waterproof Grade: IP65
Compatible Model:iOS 8.0 +, Android 4.4 +
Battery : 3.7V/90mAh, Running 7 days

HEALTH MONITORING : Dynamic heart rate monitor, sleep monitor,improve sleep patterns and habits without disturbing your partner.
FITNESS TRACKER : Tracks steps,GPS positioning,distance traveled and calories burned, effective tracking can achieve effective exercise.
VIBRATING ALERTS : Set reminders to alert you when you have been sitting or motionless for too long, or when it’s time to have a drink of water.
EFFECTIVE WATERPROOF : Waterproof grade IP65 , you can wear smartband wash hands and face ,or doing other housework.
supports for iOS 8.0 + and android 4.4 + .