WAHOO Tickr Fit HR monitor on arm

Maximum precision: TICKR Fit uses the latest in optical heart rate technology to provide you with accurate heart rate and calorie burning for up to 30 hours
Integrated with Bluetooth and ANT +, the adhesive fit connects to smartphones, tablets, GPS watches and bike computers by Polar, Garmin and more
Made using performance materials capable of withstanding intense activity. Comfortable and safe for both the forearm and upper arm
LED lights make it easy to see if your device is connected and working. The rechargeable battery lasts up to 35 hours
Apps – TICKR FIT works with popular fitness apps – Wahoo Fitness, Strava, MapyMyFItness, Runkeeper, Nike + Running, Apple Health, Cyclemeter and more