V66 Heart Rate Waterproof IP68 Bluetooth Smart Watch Bracelet Pedometer Sleep Tracker Long Standby Time Bluetooth 4.0
Available in Black, Blue, White, Purple!
[Please specify your color choice in your order]

Features:
--Touch Screen with Touch Screen (0.66 "OLED)
--Time display, step, distance with a screen display
--Heart rate detection (real-time heart rate detection) > Record your heart rate so that you can monitor your heart rate anytime anywhere!
--Time display, step, distance with a screen display
--IP68 Waterproof Standard! - Can withstand up to 50M deep. Wear it when swimming, diving.
-- Standard health fitness trackers - Count Step, Track Distance, Count Calories > Keep track and monitor your daily steps, distance and how much calories burned each day
--Sleep monitoring (sleep time, sleep quality)
--Call notification, message push (optional)
--WeChat, QQ, FACEBOOK sports sharing (optional)
--Anti-lost reminder (cell phone out of range reminder)
--Lighting Screen by touching.
--Alarm clock
--Fitness Goal Setting
--Fitness information sharing
--SUOTA function, through APK / APP upgrade hand ring firmware (optional)

Specifications:
Main chip: RTL8762AG
Bluetooth version: BLE V4.0
Memory: 64 KB RAM + 64 KB ROM
Sensors: Reflective Photoelectric Heart Rate Sensor
Screen Display: 0.66inch OLED
Battery capacity: 80 mA
Standby time: 15-20 days
Working time: 7 days
Operation: Touch button
The way of reminder: High sensitivity built-in motor,
Charging interface: Charging clip for charging
Waterproof rating: IP68
System requirements: Andrews 4.4 and above, IOS 8.0 above, support for Bluetooth 4.0
APP / APK download method:
"Andrews and Apple application synchronization: Chinese: HfitCloud English: HfitCloud
Reminder: (IOS system should download in the Apple app store, Android system in the 360 mobile assistant and other major application store to search HfitCloud APK download and install)

Package contents:
1 x Bluetooth Smart Watch Bracelet Oxygen Heart Rate Waterproof IP68
1 x Charging Cable
1 x User Manual