Version:  Professional bluetooth 4.0 heart rate chest belt for the iphone.

Version 2: Bluetooth 4.0  + ANT , two in 1 chest belt 

The bluetooth 4.0 Smart heart rate chest strap is an ergonomic elastic strap with conductive polymer sensors for transmitter. It sends the heart rate date from chest strap to the HRM receiver by 2.4Ghz digital signal with the application of bluetooth low engergy wireless technology.

bluetooth4.0 is best device for people jogging weight lifting activity .it can help you to track

your Minimum ,Maximum ,Anverage Heart rate and Calories burnt accounter appied on app for

iphone 4S and Iphone 5 or above

Improve your workouts with heart rate training

Heart rate based training helps you be more effective when you train. Want to burn more calories? Want to increase your endurance? Add heart rate data to your running and cycling, including current heart rate, time spent in each heart rate zone, and calories burned. 

Works with your favorite fitness apps 

The Wahoo Fitness App for running and cycling is included. In addition, many of the most popular apps for running and biking—such as RunKeeper, Runmeter GPS, and iMapMyRUN—are compatible with the Blue HR strap.

Bluetooth Smart for iPhone 4S ,IPhone 5 and other android mobiles 

Using the latest Bluetooth 4.0 low energy technology in the iPhone 4S, the bluetooth belt is simple to pair and won't drain your iPhone battery. Throw away the charging cables—the Blue HR belt will work up to two years on a single battery.

Built for working out

The chest strap is tough and comfortable so you can worry about your workouts, not your equipment. This sweat proof and waterproof heart rate strap is comfortable to wear for both men and women. Also, it is designed to be accurate in all conditions—from easy to strenuous exercise.

• Wireless heart rate monitor for iPhone4s,iPhone 5,new iPad and other bluetooth smart ready devices    
• Tack heartrate, caculate calories burned accurately.                                    
• Comfortable and adjustable chest strap (Length from 60 to 88cm)
• Work with most popular fitness App                                                                     
• 10m water resistance                                    
•  Lithium Cr 2032 battery for 1 year  
• Products have 1 year warranty .

1. bluetooth 4.0

2.  wireless heart rate signal transmission

3. washable textile heart rate belt

4.  Apps Ready

5.  Ultra -low battery consumption

6. 1 ATM water resistant ( 10 meters)