Stop guessing what your training intensity should be. Our heart rate monitors provide real time analysis of your heart rate and calories burned during exercise.

Features:
REAL TIME TRANSFER: Track and capture real-time heart rate, distance, calories and pace on phone or watch when doing exercise.
COMPATIBLE WITH MOST APPS: for Wahoo, for Endomondo, for Runtastic pro, for Fitness, etc.
BT & ANT+ CONNECTING: Connect the strap wirelessly via BT 4.0 or ANT+ with your phone, GPS watch or treadmill.
COMFORTABLE WEARING: Nylon (80%) and Spandex (20%), Breathable rubber strap with adjustable elastic band, easy to wear and clean.
RAINPROOF: You can enjoy the running in the rain.

Specification:
Tech: BT 4.0 & ANT+
Material: ABS
Chest Range: 65-170cm / 2-5.5ft
Battery Size: 1* replaceable CR2032
Transmission Range: ≤10m / 33ft
Sensor Size: 6.1 * 3.5 * 1.1cm / 2.4 * 1.4 * 0.4in
Package Size: 12.5 * 5.3 * 4cm / 5.0 * 2.1 * 1.6in
Package Weight: 59g / 2.11oz

Package List: 
1 * Heart Rate Monitor