4.Bluetooth heart rate monitor can work even when you*re answering a phone call , sending messages or using other applications at the same time
5.The heart rate monitor help you clearly to record everyday*s exercise,to make the exercise plan more reasonable,also intelligentized your life.

Technical Details

Size (LWH): 6 inches, 4.4 inches, 1.7 inches
Product Details
Product Dimensions: 6 x 4.4 x 1.7 inches
Shipping Weight: 0.2 pounds (View shipping rates and policies)
ASIN : B00XCH0RVU