Fitness Tracker Replacement Strap-Adjustable Strap for BY1 Heart Rate Activity Trakcer Smart Wristband(Red)

Starting At $9.99

Please Note: BY1 does not include blood pressure & blood oxygen monitor feature.

Require:  iOS 8.4 &Android 4.4 above,Bluetooth 4.0(Smart phone only,not for PC,iPad or Tablet)

Simple Operation:

App Name: WearFit2.0 (Please download it from Apple Store or Google Play)

Charging method:

1. Please click the boot key button to the "OFF" interface,click the boot key button to choose the "√",then long press the boot key button to turn it off.

2.The electronic part has a USB plug at the end,please hold on the boot key button side,move the band which the short side forward,then move backward,the strap and the band will be separated,next remove the tracker from the band on the other side(the boot key side).

3.Please plug the tracker to USB port to charge.

Opening method:

When you get the  tracker can't open, please charge for about 1.5-2 hours;then touch the boot key to long press  for 5 seconds to open.

Setting time:

When you connect the  tracker with your phone successfully,the time and date of the  tracker will be synchronized with your phone.

Key Feature:

24 hours continuous Heart Rate Monitor:

IP67 Waterproof;

Automatically monitor and analyze sleep quality;

Four time modes;

In-call and SMS notification from Facebook,Twitter ,Whatsapp,etc;

Pedometer to display steps,calorie,distance,heart rate,sedentary alert.

View More Information  Buy This

Shop By Personality. Choose One Below:


  • The Culture Vulture
  • The Gamer Guy
  • The Alcohol Aficionado
  • The Athletic Fitness Guy
  • The Chef
  • The Stylish Guy
  • The Man Cave Man
  • The Work Horse
  • The Outdoor Guy
  • The Techie