Heart rate monitor:24 hours real time dynamic heart rate monitor, plan appropriate physical exercises. 
Activities tracking:Record daily steps, distance and calories consumption. 
Sleep monitor&Alarm:Automatically track your sleep quality, and alarm silent vibration will wake you up.
Call alert:Caller name and caller ID will be displayed on OLED screen. 
Long standby:Standby time 7-10 days/4 days operating time. 
SNS notifications:Support SMS, WhatsApp, Facebook, Twitter, Wechat, and other social network site alert. 
Anti-lost:When your phone or the bracelet is beyond the range of Bluetooth(6M-10M), the device will vibrate to notify.
Find phone:Long press the key to enter find phone interface, then double click the key, smart phone will vibrate or ring.
Basic Specifications:
CPU and Mainboard:Nrf51822 MPU6500 Megachips PAH8001EI
Compatibility:For IOS8.0 + & Android 4.4 +
Bluetooth:4.0 wireless sync to IOS and Android Product
Strap Material:Leather
Battery type:Polymer lithium battery
Battery Capacity: 80mAh
Standby:7~10 days
Charging duration:1h
Host Weight:25g

5i-Smart is a company special in smart bracelet for 3 years,very professional technology,own registered brand:izefia.Please feel free to contact with us by mail for customer service.

Product Features

• MAIN FUNCTION:Heart rate monitoring,blood pressure,SPO2H oxygen,pedometer, calories record, sleep quality monitoring, sync date and time, notifications, anti-lost alert, find Phone, sedentary alert, etc.
• Lightweight 25g quite convenient even wear it sleeping. Responsive OLED Touch Screen,short touch or long touch 5 seconds of the only key, you can easily read the steps counting, heart rate, calories, time, date, messages, etc.
• App compatible:Bluetooth 4.0. Supports IOS 8.0 or above (iPhone 4S, iPhone 5/5S/5C, iPhone 6/6S plus, iPhone 7/7S plus,etc.); Android 4.4 or above (Download APP from Apple Store or Google Play. Smart phone only, not for PC or Tablet).
• High quality polymer rechargeable battery guarantees long battery life: about 7-10 days standby time/4 days operating time.Package Includes: Smart Bracelet * 1, Multi Language User’s Manual *1, Charge cable *1
• Bracelet/APP language– Sync with your phone language/18 country language. Unordinary design ,makes your life healthy and fashional,IP67 splash-proof and sweat-proof but no shower no diving with it.Stable and shackproof,you can claim for return in 6 month if there is any quality issue.