Turn on Bluetooth Activity Band
For the first time to use Bluetooth Activity Tracker, press and hold button for 5s to wake up the tracker and enter time mode. Default time is 12:00AM.

How to measure Heart Rate
when the disply is switched to heart rate interface, long press the buttons,then the heart rate icon flashes, while the LED is lit. It mean that the start of heart rate test and about 20--40 seconds to obtion heart rate result.

Sleep Activity Measurements
Tap the Sleep Activity icon to open the daily sleep quality measurements. This screen displays your accumulated daily measurements for your quality of sleep.

Specification
Model: W311
SYNC Mode: Bluetooth 4.0
Wrist Buckle: Aluminium Alloy
Heart rate sensor: 40-240bpm
Display: OLED 0.91"
Motor: Cylindrical vibration motor
Key-press: Touch key
Waterproof rating: IPX4
Android / IOS Systerm: Support Android 4.3 and above and IOS 8.0 and above
Battery: 130mAh/3.7V
Charging: USB charging standard
Display Specifications: OLED screen
Standby time: more than 72 hours
Unit Weight: 30g
Unit Size:46.4mm * 20.2mm * 11.4mm

Package Included:
1 x Fitness Tracker
1 x USB Charger
1 x User Manual

• Heart Rate Monitor --- Continues HR monitor, strap-free heart rate monitoring. The Fitness tracker cannot do the heart rate monitor continuously without any breaks; it will violate the power saving mechanism.
• Vibration Alarm --- 5 Alarm can be set. After the Vibration Alarm has been saved, "Setting Success!" appears on your mobile device and your Activity Tracker quickly displays a check mark by the time and vibrates once.
• Multi - Function --- All day track step counting, distance tracking, calorie tracker; Sleep monitor: sleeping time, sleeping quality, alarm clock and etc; Incoming call notice, find phone, lost warning, out of range alarm.
• Auto Sleep Monitoring --- Please wear the tracker when you are sleeping, and turn on the Bluetooth of your phone as well. Fitness tracker will automatically record your sleep data. Accurate analysis of the sleeping quality , make you have a better understanding of the effects of sleep.
• Compatibility --- App "iSport Tracker", compatible with Android 4.4, IOS 7.0 or newer os, please refer the User Manual before use.

Heart Rate Monitor --- Continues HR monitor, strap-free heart rate monitoring. The Fitness tracker cannot do the heart rate monitor continuously without any breaks; it will violate the power saving mechanism.SOKOS