Health Assistant:Heart Rate Monitor and blood pressure measure.using the professional Japanese blood pressure Mega chip and high quality heart rate sensor??monitor your health any time.also with Pedometer and sleep monitor.</br>Intelligent Reminder:with call reminder and message reminder(Facebook/Twitter/Wechat/QQ)??you will never miss important information.what's more??Sedentary reminder??alarm clock??stopwatch make you life convenient.</br>High Quality and Waterproof:the band made of silicone??extremely lightweight and comfortable to wear.IP67 waterproof grade??won't be damaged when washing hands.</br>OLED Screen:with 0.66 inch sensitive OLED screen??luxurious and fashion.</br>Bluetooth 4.0:compatible for Android and IOS??Android 4.4 or above??iOS 8.0 or above.</br></br>Product Description</br></br><b>Specification:</b><br> Model No. CK11<br> CPU :Nordic-Nrf51822<br> 6-Axis sensor: InvenSense MPU6500<br> Vibration :"tion "<br> Waterproof :"IP65/Life waterproof<br> Screen Screen size: 0.66 inch<br> Size type :OLED<br> Connection: Bluetooth 4.0BLE(Low power consumption)<br> <b>Other specification</b><br>Battery type: Polymer lithium battery<br> Battery capacitance :110mAh<br> Charging type: Magenetic charging<br> Charging time :About 1.5 hour<br> Standby time:Normaluse:7days;Standby:15days<br> Memory: 7days motion record??23days total data record<br> Control type: Button control??APP control<br> Language ??Chinese/English Device size ??55.2mm*24.1mm*11.2mm<br> Strap size ??265mm*18mm*2.6mm<br> Appearance material?? Front shell?? back<br>shell??Plastic;Strap??silica gel<br><br> Packing list?? Smart bracelet*1<br> USB charging line*1<br> User manual*1<br> Packing box*1</br><br/>http://www.amazon.com/gp/product/B01MY8B0W88p>  Rober