Specifications:
Main Chips: Dialog DA14580, Integrated Bluetooth 4.0, and MCU
Sensor: Kiniox, 3-axis MEMS High-precision Sensor
Memory: Flash 8M, Can save data for 7 days
Display Screen: 0.91" OLED, 128 X 32mm
Compatible Devices: Android 4.3 or above with Bluetooth 4.0, and for Apple Devices with for iOS 7.0 or above
Battery: 3.7V/70mA (Up to 10 days)
Charging Voltage and Current: 5V/0.5A Micro USB
Bluetooth: V4.0 BLE
Bracelet Material: Silicone
Functions: Sleep Tracking: Deep sleep or light sleep, monitoring your sleeping time and quality
Smart Reminder, Alarm Clock, Long-sitting Reminder, Calls Reminder (Name and Number), and Content Pushing from messages, WeChat, QQ, Facebook, Twitter, and so on
Sports Pedometer, Running Distances, Calorie Consumption, Active Time, and Finished or Unfinished Targets
Some other functions: Shaking to take pictures, and Anti-lost
Product Size: 221 X 20 X 11mm/8.70 X 0.79 X 0.43"
Package Size: 100 X 85 X 35mm/3.94 X 3.35 X 1.38"
Color: Black, White, Blue, Rose Red, and Orange
Weight: About 36g (With Battery)
Accessories: Bracelet, User Manual, and USB Cable

1 X V5S Smart Bracelet Watch 
1 X Charging Cable 
1 X User Manual