Specifications:

CPU : MTK2502
Screen : 1.3" IPS Tempered Glass Mirror
Battery : 300mAh
Bluetooth : 4.0 (Support IOS/Android)
Straps: Silicon Strap
Sim card : supported (2G, GSM)
Health Function : Blood pressure, heart rate

Features:

• Multi Functions Such As:  Heart Rate Monitor, Blood Pressure Monitor, GPS Movement Trajectory, G-Sensor, Message Push, Calls Reminder, Support 2G GSM Network,  Support Nano SIM Card, Fitness Track, Sleep Monitor, Sedentary Reminder, Phone Book Sync, Remote Take Photos, Fine The Phone, Stopwatch, Alarm, etc.
• 1.3 inch IPS Tempered Glass Round Screen, 240 x 240 Resolution, Ultra Slim, The Thickness Is Only 13.5mm.
• Support Nano SIM Card and 2G GSM Network Standard, The Smart Watch Can Be Used As A Phone, No Need To Worry About Missing The Important Phone Calls Or Messages.
• MTK2502 2nd Generation Microproccessor, Bluetooth 4.0, The Smart Watch Fully Compatible With iOS & Android System Smart phones.
• MC3413-P Heart Rate Sensor, Blood Presure Monitor, With G-sensor, GPS movement trajectory helps to measure your intensity during workouts to improve overall calorie tracking.
• Dial / Answer Phone Calls: Like a smartphone, you can make phone calls or Answer Phone Calls by connecting with Bluetooth.
• With Fitness Tracker, Pedometer Functions, Count how many steps you have walked daily, how far you have run and how much calorie you have consumed
• Message Push and Calls Reminder functions works on both iOS and Android System Smartphones, with the bluetooth connectivity, you can receives emails, messages, notifications from Twitter, Facebook, Skype, etc. 
• Auto Wake Up/ Sleep, Turn over your wrist to wake the screen and check the real time. 
• Built in 300mAh Polymer Lithium Battery, Watch Mode works about 120 hours, Bracelet Mode works about 60 hours, Phone Mode Works about 38 hours, Super Long Standby Time, get rid of one day per charge.  
• Multiple style clock display mode show out your personality. 

Warranty : 1 month

What's in the box:
1 x Watch
1 x Charger
1 x User manual